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@@ -0,0 +1,1210 @@
+%%
+%% This is file `babamspl.bst',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% babelbib.dtx (with options: `bst,bstams')
+%%
+%% babelbib package
+%%
+%% Copyright 2003--2005 Harald Harders
+%%
+%% This program can be redistributed and/or modified under the terms
+%% of the LaTeX Project Public License Distributed from CTAN
+%% archives in directory macros/latex/base/lppl.txt; either
+%% version 1 of the License, or any later version.
+%%
+%% h.harders@tu-bs.de
+%%
+%% 2005/09/01 v1.15 babelbib: multilingual bibliographies (HH)
+ENTRY
+ { address
+ author
+ booktitle
+ chapter
+ edition
+ editor
+ howpublished
+ institution
+ isbn
+ issn
+ journal
+ key
+ language
+ month
+ mrnumber
+ note
+ number
+ organization
+ pages
+ publisher
+ school
+ series
+ title
+ type
+ url
+ urldate
+ volume
+ year
+ }
+ {}
+ { label bysame }
+
+INTEGERS { output.state before.all mid.sentence }
+
+FUNCTION {init.state.consts}
+{ #0 'before.all :=
+ #1 'mid.sentence :=
+}
+
+STRINGS { s t language.state change.temp}
+
+FUNCTION {shows}
+{ duplicate$ ":::: `" swap$ * "'" * top$
+}
+
+FUNCTION {showstack}
+{"STACK================================================================"
+top$
+stack$
+"ENDSTACK============================================================="
+top$
+}
+
+FUNCTION {not}
+{ { #0 }
+ { #1 }
+ if$
+}
+
+FUNCTION {and}
+{ 'skip$
+ { pop$ #0 }
+ if$
+}
+
+FUNCTION {or}
+{ { pop$ #1 }
+ 'skip$
+ if$
+}
+
+FUNCTION {language.change.case}
+{
+ 'change.temp :=
+ 't :=
+ "\btxifchangecase {"
+ t change.temp change.case$ *
+ "}{" *
+ t *
+ "}" *
+}
+
+FUNCTION {field.or.null}
+{ duplicate$ empty$
+ { pop$ "" }
+ 'skip$
+ if$
+}
+
+FUNCTION {namefont}
+{ duplicate$ empty$
+ { pop$ "" }
+ { "\btxnamefont {" swap$ * "}" * }
+ if$
+}
+
+FUNCTION {lastnamefont}
+{ duplicate$ empty$
+ { pop$ "" }
+ { "\btxlastnamefont {" swap$ * "}" * }
+ if$
+}
+
+FUNCTION {titlefont}
+{ duplicate$ empty$
+ { pop$ "" }
+ { "\btxtitlefont {" swap$ * "}" * }
+ if$
+}
+
+FUNCTION {journalfont}
+{ duplicate$ empty$
+ { pop$ "" }
+ { "\btxjournalfont {" swap$ * "}" * }
+ if$
+}
+
+FUNCTION {volumefont}
+{ duplicate$ empty$
+ { pop$ "" }
+ { "\btxvolumefont {" swap$ * "}" * }
+ if$
+}
+
+FUNCTION {etalfont}
+{ duplicate$ empty$
+ { pop$ "" }
+ { "\btxetalfont {" swap$ * "}" * }
+ if$
+}
+
+FUNCTION {n.dashify}
+{ 't :=
+ ""
+ { t empty$ not }
+ { t #1 #1 substring$ "-" =
+ { t #1 #2 substring$ "--" = not
+ { "--" *
+ t #2 global.max$ substring$ 't :=
+ }
+ { { t #1 #1 substring$ "-" = }
+ { "-" *
+ t #2 global.max$ substring$ 't :=
+ }
+ while$
+ }
+ if$
+ }
+ { t #1 #1 substring$ *
+ t #2 global.max$ substring$ 't :=
+ }
+ if$
+ }
+ while$
+}
+
+FUNCTION {tie.or.space.connect}
+{ duplicate$ text.length$ #3 <
+ { "~" }
+ { "\ " }
+ if$
+ swap$ * *
+}
+
+FUNCTION {add.space.if.necessary}
+{ duplicate$ "" =
+ 'skip$
+ { "\ " * }
+ if$
+}
+
+FUNCTION {either.or.check}
+{ empty$
+ 'pop$
+ { "can't use both " swap$ * " fields in " * cite$ * warning$ }
+ if$
+}
+
+FUNCTION {output.nonnull}
+{ 's :=
+ output.state mid.sentence =
+ { ", " * write$ }
+ { output.state before.all =
+ 'write$
+ { add.period$ " " * write$ }
+ if$
+ mid.sentence 'output.state :=
+ }
+ if$
+ s
+}
+
+FUNCTION {output}
+{ duplicate$ empty$
+ 'pop$
+ 'output.nonnull
+ if$
+}
+
+FUNCTION {missing.warning}
+{ "missing " swap$ * " in " * cite$ * warning$ }
+
+FUNCTION {output.check}
+{ 't :=
+ duplicate$ empty$
+ { pop$ t missing.warning }
+ 'output.nonnull
+ if$
+}
+
+FUNCTION {output.bibitem}
+{ newline$
+ language empty$
+ { "empty language in " cite$ * warning$
+ language.state "nolanguage" =
+ 'skip$
+ {
+ "\expandafter\btxselectlanguage\expandafter {"
+ "\btxfallbacklanguage}" * write$
+ newline$
+ }
+ if$
+ "nolanguage" 'language.state :=
+ }
+ { language.state language =
+ 'skip$
+ { "\btxselectlanguage {" language * "}" * write$
+ newline$
+ }
+ if$
+ language 'language.state :=
+ }
+ if$
+ "\bibitem{" write$
+ cite$ write$
+ "}" write$
+ newline$
+ ""
+ before.all 'output.state :=
+}
+
+FUNCTION {output.nonempty.mrnumber}
+{ duplicate$ missing$
+ { pop$ "" }
+ 'skip$
+ if$
+ duplicate$ empty$
+ 'pop$
+ { " \MR{" swap$ * "}" * write$ }
+ if$
+}
+
+FUNCTION {fin.entry}
+{ add.period$
+ write$
+ mrnumber output.nonempty.mrnumber
+ newline$
+}
+
+INTEGERS { nameptr namesleft numnames }
+
+FUNCTION {format.language}
+{ language empty$
+ { "" }
+ { "\btxprintamslanguage{\btxlanguagename {" language * "}}" * }
+ if$
+}
+
+FUNCTION {format.names}
+{ 's :=
+ #1 'nameptr :=
+ s num.names$ 'numnames :=
+ numnames 'namesleft :=
+ { namesleft #0 > }
+ {
+ s nameptr "{ff~}{vv~}" format.name$
+ s nameptr "{ll}" format.name$ lastnamefont *
+ s nameptr "{, jj}" format.name$ * 't :=
+ nameptr #1 >
+ { namesleft #1 >
+ { ", " * t namefont * }
+ { numnames #2 >
+ { "\btxandcomma {}" * }
+ 'skip$
+ if$
+ s nameptr "{ff~}{vv~}{ll}{, jj}" format.name$ "others" =
+ { " " * "\btxetalshort {.}" etalfont * }
+ { " \btxandlong {} " * t namefont * }
+ if$
+ }
+ if$
+ }
+ {
+ s nameptr "{ff~}{vv~}" format.name$
+ s nameptr "{ll}" format.name$ lastnamefont *
+ s nameptr "{, jj}" format.name$ * namefont
+ }
+ if$
+ nameptr #1 + 'nameptr :=
+ namesleft #1 - 'namesleft :=
+ }
+ while$
+}
+
+FUNCTION {format.authors}
+{ author empty$
+ { "" }
+ { bysame "\bysame" =
+ {"\bysame"}
+ { author format.names }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.editors}
+{ editor empty$
+ { "" }
+ { editor format.names
+ editor num.names$ #1 >
+ { "\ (\btxeditorsshort {.})" * }
+ { "\ (\btxeditorshort {.})" * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.nonauthor.editors}
+{ editor empty$
+ { "" }
+ { editor format.names
+ editor num.names$ #1 >
+ { ", \btxeditorsshort {.}" * }
+ { ", \btxeditorshort {.}" * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.title}
+{ title empty$
+ { "" }
+ { title "t" language.change.case titlefont }
+ if$
+}
+
+FUNCTION {format.journal.vol.year}
+{ journal empty$
+ { "journal name" missing.warning ""}
+ { journal journalfont }
+ if$
+ volume empty$
+ 'skip$
+ { " " * volume volumefont * }
+ if$
+ year empty$
+ { "year" missing.warning }
+ { " (" * year * ")" * }
+ if$
+}
+
+FUNCTION {format.number}
+{ number empty$
+ { "" }
+ { "\btxnumbershort {.}~" number * }
+ if$
+}
+
+FUNCTION {format.date}
+{ year empty$
+ { month empty$
+ { "" }
+ { "there's a month but no year in " cite$ * warning$
+ month
+ }
+ if$
+ }
+ { month empty$
+ 'year
+ { month "\ " * year * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.bookvolume.series.number}
+{ volume empty$
+ { "" % Push the empty string as a placeholder in case everything else
+ % is empty too.
+ series empty$
+ 'skip$
+ { pop$ series } % if series is not empty put in stack
+ if$
+ number empty$
+ 'skip$
+ { duplicate$ empty$ % if no preceding material,
+ 'skip$ % do nothing, otherwise
+ { ", " * } % add a comma and space to separate.
+ if$
+ "\btxnumbershort {.}" number tie.or.space.connect * % add the number information
+ }
+ if$
+ }
+ { "\btxvolumeshort {.}" volume tie.or.space.connect % vol. XX
+ number empty$
+ { series empty$
+ 'skip$
+ { series ", " * swap$ *} % Series Name, vol. XX
+ if$
+ }
+ { series empty$
+ { "can't use both volume and number if series info is missing"
+ warning$
+ "in BibTeX entry type `" type$ * "'" * top$
+ }
+ { ", " * series * ", \btxnumbershort {.}" * number tie.or.space.connect }
+ if$
+ }
+ if$
+ }
+ if$
+
+} % end of format.bookvolume.series.number
+
+FUNCTION {format.inproc.title.address.editors}
+{ booktitle empty$
+ { "" }
+ { booktitle
+ address empty$
+ 'skip$
+ { add.space.if.necessary "(" * address * ")" * }
+ if$
+ editor empty$
+ 'skip$
+ { add.space.if.necessary "(" * format.nonauthor.editors * ")" * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.incoll.title.editors}
+{ booktitle empty$
+ { "" }
+ { editor empty$
+ { booktitle }
+ { booktitle
+ add.space.if.necessary "(" * format.nonauthor.editors * ")" *
+ }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.edition}
+{ edition empty$
+ { "" }
+ { output.state mid.sentence =
+ { edition "l" language.change.case " \btxeditionshort {.}" * }
+ { edition "t" language.change.case " \btxeditionshort {.}" * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.isbn}
+{ isbn empty$
+ { "" }
+ { "\btxISBN~\btxISBNfont {" isbn * "}" * }
+ if$
+}
+
+FUNCTION {format.issn}
+{ issn empty$
+ { "" }
+ { "\btxISSN~\btxISSNfont {" issn * "}" * }
+ if$
+}
+
+FUNCTION {format.url}
+{ url empty$
+ { "" }
+ {
+ urldate empty$
+ { "\btxurlfont{" url * "}" * }
+ {
+ "\btxurlfont{" url *
+ "}, \btxurldatecomment{} \btxkeywordlanguage {\btxurldatefont {" *
+ urldate * "}}" *
+ }
+ if$
+ }
+ if$
+}
+
+INTEGERS { multiresult }
+
+FUNCTION {multi.page.check}
+{ 't :=
+ #0 'multiresult :=
+ { multiresult not
+ t empty$ not
+ and
+ }
+ { t #1 #1 substring$
+ duplicate$ "-" =
+ swap$ duplicate$ "," =
+ swap$ "+" =
+ or or
+ { #1 'multiresult := }
+ { t #2 global.max$ substring$ 't := }
+ if$
+ }
+ while$
+ multiresult
+}
+
+FUNCTION {format.pages}
+{ pages empty$
+ { "" }
+ { pages n.dashify }
+ if$
+}
+
+FUNCTION {format.book.pages}
+{ pages empty$
+ { "" }
+ { pages multi.page.check
+ { "\btxpagesshort {.}~" pages n.dashify * }
+ { "\btxpageshort {.}~" pages * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.chapter.pages}
+{ chapter empty$
+ 'format.book.pages
+ { type empty$
+ { "\btxchaptershort {.}~" }
+ { type "l" language.change.case " " * }
+ if$
+ chapter *
+ pages empty$
+ 'skip$
+ { ", " * format.book.pages * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {empty.misc.check}
+{ author empty$ title empty$ howpublished empty$
+ month empty$ year empty$ note empty$
+ and and and and and
+ key empty$ not and
+ { "all relevant fields are empty in " cite$ * warning$ }
+ 'skip$
+ if$
+}
+
+FUNCTION {format.thesis.type}
+{ type empty$
+ 'skip$
+ { pop$
+ type "t" language.change.case
+ }
+ if$
+}
+
+FUNCTION {format.tr.number}
+{ type empty$
+ { "\Btxtechrepshort {.}" }
+ 'type
+ if$
+ number empty$
+ { "t" language.change.case }
+ { number tie.or.space.connect }
+ if$
+}
+
+FUNCTION {format.article.crossref}
+{ key empty$
+ { journal empty$
+ { "need key or journal for " cite$ * " to crossref " * crossref *
+ warning$
+ ""
+ }
+ { "\btxinshort {} " journal journalfont * }
+ if$
+ }
+ { "\btxinshort {} " key * }
+ if$
+ " \cite{" * crossref * "}" *
+}
+
+FUNCTION {format.crossref.editor}
+{ editor #1 "{vv~}{ll}" format.name$
+ editor num.names$ duplicate$
+ #2 >
+ { pop$ " \btxetalshort {.}" * }
+ { #2 <
+ 'skip$
+ { editor #2 "{ff }{vv }{ll}{ jj}" format.name$ "others" =
+ { " \btxetalshort {.}" * }
+ { " \btxandlong {} " * editor #2 "{vv~}{ll}" format.name$ * }
+ if$
+ }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.book.crossref}
+{ volume empty$
+ { "empty volume in " cite$ * "'s crossref of " * crossref * warning$
+ "\btxinserieslong {} "
+ }
+ { "\btxvolumeshort {.}" volume tie.or.space.connect
+ " \btxofserieslong {} " *
+ }
+ if$
+ editor empty$
+ editor field.or.null author field.or.null =
+ or
+ { key empty$
+ { series empty$
+ { "need editor, key, or series for " cite$ * " to crossref " *
+ crossref * warning$
+ "" *
+ }
+ { series * }
+ if$
+ }
+ { key * }
+ if$
+ }
+ { format.crossref.editor * }
+ if$
+ " \cite{" * crossref * "}" *
+}
+
+FUNCTION {format.incoll.inproc.crossref}
+{ editor empty$
+ editor field.or.null author field.or.null =
+ or
+ { key empty$
+ { booktitle empty$
+ { "need editor, key, or booktitle for " cite$ * " to crossref " *
+ crossref * warning$
+ ""
+ }
+ { "\btxinlong {} " * booktitle titlefont * }
+ if$
+ }
+ { "\btxinlong {} " key * }
+ if$
+ }
+ { "\btxinlong {} " format.crossref.editor * }
+ if$
+ " \cite{" * crossref * "}" *
+}
+
+FUNCTION {article}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ crossref missing$
+ { format.journal.vol.year output
+ format.number output
+ format.pages "pages" output.check
+ }
+ { format.article.crossref output.nonnull
+ format.pages "pages" output.check
+ }
+ if$
+ format.issn output
+ format.url output
+ format.language *
+ note output
+ fin.entry
+}
+
+FUNCTION {book}
+{ output.bibitem
+ author empty$
+ { format.editors "author and editor" output.check }
+ { format.authors output.nonnull
+ crossref missing$
+ { "author and editor" editor either.or.check }
+ 'skip$
+ if$
+ }
+ if$
+ format.title "title" output.check
+ format.edition output
+ crossref missing$
+ { format.bookvolume.series.number output
+ publisher "publisher" output.check
+ address output
+ }
+ { format.book.crossref output.nonnull
+ }
+ if$
+ format.date "year" output.check
+ format.isbn output
+ format.url output
+ format.language *
+ note output
+ fin.entry
+}
+
+FUNCTION {booklet}
+{ output.bibitem
+ format.authors output
+ format.title "title" output.check
+ howpublished output
+ address output
+ format.date output
+ format.url output
+ note output
+ fin.entry
+}
+
+FUNCTION {inbook}
+{ output.bibitem
+ author empty$
+ { format.editors "author and editor" output.check }
+ { format.authors output.nonnull
+ crossref missing$
+ { "author and editor" editor either.or.check }
+ 'skip$
+ if$
+ }
+ if$
+ format.title "title" output.check
+ format.edition output
+ crossref missing$
+ { format.bookvolume.series.number output
+ format.chapter.pages "chapter and pages" output.check
+ publisher "publisher" output.check
+ address output
+ }
+ { format.chapter.pages "chapter and pages" output.check
+ format.book.crossref output.nonnull
+ }
+ if$
+ format.date "year" output.check
+ format.isbn output
+ format.url output
+ format.language *
+ note output
+ fin.entry
+}
+
+FUNCTION {incollection}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ crossref missing$
+ { format.incoll.title.editors "booktitle" output.check
+ format.bookvolume.series.number output
+ publisher "publisher" output.check
+ address output
+ format.edition output
+ format.date "year" output.check
+ }
+ { format.incoll.inproc.crossref output.nonnull
+ }
+ if$
+ note output
+ format.book.pages output
+ format.isbn output
+ format.url output
+ format.language *
+ fin.entry
+}
+
+FUNCTION {inproceedings}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ crossref missing$
+ { format.inproc.title.address.editors "booktitle" output.check
+ format.bookvolume.series.number output
+ organization output
+ publisher output
+ format.date "year" output.check
+ }
+ { format.incoll.inproc.crossref output.nonnull
+ }
+ if$
+ note output
+ format.book.pages output
+ format.isbn output
+ format.url output
+ format.language *
+ fin.entry
+}
+
+FUNCTION {conference} { inproceedings }
+
+FUNCTION {manual}
+{ output.bibitem
+ author empty$
+ { organization empty$
+ 'skip$
+ { organization output.nonnull
+ address output
+ }
+ if$
+ }
+ { format.authors output.nonnull }
+ if$
+ format.title "title" output.check
+ author empty$
+ { organization empty$
+ { address output }
+ 'skip$
+ if$
+ }
+ { organization output
+ address output
+ }
+ if$
+ format.edition output
+ format.date output
+ format.isbn output
+ format.url output
+ note output
+ fin.entry
+}
+
+FUNCTION {mastersthesis}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ "\btxmastthesis {}" format.thesis.type output.nonnull
+ school "school" output.check
+ address output
+ format.date "year" output.check
+ format.url output
+ note output
+ format.book.pages output
+ fin.entry
+}
+
+FUNCTION {misc}
+{ output.bibitem
+ format.authors output
+ format.title output
+ howpublished output
+ format.date output
+ format.isbn output
+ format.issn output
+ format.url output
+ note output
+ format.book.pages output
+ fin.entry
+ empty.misc.check
+}
+
+FUNCTION {phdthesis}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ "\btxphdthesis {}" format.thesis.type output.nonnull
+ school "school" output.check
+ address output
+ format.date "year" output.check
+ format.isbn output
+ format.url output
+ note output
+ format.book.pages output
+ fin.entry
+}
+
+FUNCTION {proceedings}
+{ output.bibitem
+ editor empty$
+ { organization output }
+ { format.editors output.nonnull }
+ if$
+ format.title "title" output.check
+ format.bookvolume.series.number output
+ address empty$
+ { editor empty$
+ 'skip$
+ { organization output }
+ if$
+ publisher output
+ format.date "year" output.check
+ }
+ { address output.nonnull
+ editor empty$
+ 'skip$
+ { organization output }
+ if$
+ publisher output
+ format.date "year" output.check
+ }
+ if$
+ format.isbn output
+ format.url output
+ note output
+ fin.entry
+}
+
+FUNCTION {techreport}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ format.tr.number output.nonnull
+ institution "institution" output.check
+ address output
+ format.date "year" output.check
+ format.isbn output
+ format.url output
+ note output
+ fin.entry
+}
+
+FUNCTION {unpublished}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ format.url output
+ note "note" output.check
+ format.date output
+ fin.entry
+}
+
+FUNCTION {default.type} { misc }
+
+MACRO {jan} {"\btxmonjanlong {}"}
+MACRO {feb} {"\btxmonfeblong {}"}
+MACRO {mar} {"\btxmonmarlong {}"}
+MACRO {apr} {"\btxmonaprlong {}"}
+MACRO {may} {"\btxmonmaylong {}"}
+MACRO {jun} {"\btxmonjunlong {}"}
+MACRO {jul} {"\btxmonjullong {}"}
+MACRO {aug} {"\btxmonauglong {}"}
+MACRO {sep} {"\btxmonseplong {}"}
+MACRO {oct} {"\btxmonoctlong {}"}
+MACRO {nov} {"\btxmonnovlong {}"}
+MACRO {dec} {"\btxmondeclong {}"}
+
+READ
+
+FUNCTION {sortify}
+{ purify$
+ "l" language.change.case
+}
+
+INTEGERS { len }
+
+FUNCTION {chop.word}
+{ 's :=
+ 'len :=
+ s #1 len substring$ =
+ { s len #1 + global.max$ substring$ }
+ 's
+ if$
+}
+
+FUNCTION {sort.format.names}
+{ 's :=
+ #1 'nameptr :=
+ ""
+ s num.names$ 'numnames :=
+ numnames 'namesleft :=
+ { namesleft #0 > }
+ { nameptr #1 >
+ { " " * }
+ 'skip$
+ if$
+ s nameptr "{vv{ } }{ll{ }}{ ff{ }}{ jj{ }}" format.name$ 't :=
+ nameptr numnames = t "others" = and
+ { "et al" * }
+ { t sortify * }
+ if$
+ nameptr #1 + 'nameptr :=
+ namesleft #1 - 'namesleft :=
+ }
+ while$
+}
+
+FUNCTION {sort.format.title}
+{ 't :=
+ "A " #2
+ "An " #3
+ "The " #4 t chop.word
+ chop.word
+ chop.word
+ sortify
+ #1 global.max$ substring$
+}
+
+FUNCTION {author.sort}
+{ author empty$
+ { key empty$
+ { "to sort, need author or key in " cite$ * warning$
+ ""
+ }
+ { key sortify }
+ if$
+ }
+ { author sort.format.names }
+ if$
+}
+
+FUNCTION {author.editor.sort}
+{ author empty$
+ { editor empty$
+ { key empty$
+ { "to sort, need author, editor, or key in " cite$ * warning$
+ ""
+ }
+ { key sortify }
+ if$
+ }
+ { editor sort.format.names }
+ if$
+ }
+ { author sort.format.names }
+ if$
+}
+
+FUNCTION {author.organization.sort}
+{ author empty$
+ { organization empty$
+ { key empty$
+ { "to sort, need author, organization, or key in " cite$ * warning$
+ ""
+ }
+ { key sortify }
+ if$
+ }
+ { "The " #4 organization chop.word sortify }
+ if$
+ }
+ { author sort.format.names }
+ if$
+}
+
+FUNCTION {editor.organization.sort}
+{ editor empty$
+ { organization empty$
+ { key empty$
+ { "to sort, need editor, organization, or key in " cite$ * warning$
+ ""
+ }
+ { key sortify }
+ if$
+ }
+ { "The " #4 organization chop.word sortify }
+ if$
+ }
+ { editor sort.format.names }
+ if$
+}
+
+FUNCTION {presort}
+{ type$ "book" =
+ type$ "inbook" =
+ or
+ 'author.editor.sort
+ { type$ "proceedings" =
+ 'editor.organization.sort
+ { type$ "manual" =
+ 'author.organization.sort
+ 'author.sort
+ if$
+ }
+ if$
+ }
+ if$
+ " "
+ *
+ year field.or.null sortify
+ *
+ " "
+ *
+ title field.or.null
+ sort.format.title
+ *
+ #1 entry.max$ substring$
+ 'sort.key$ :=
+}
+
+ITERATE {presort}
+
+SORT
+
+STRINGS { longest.label prev.author this.author }
+
+INTEGERS { number.label longest.label.width }
+
+FUNCTION {initialize.longest.label}
+{ "" 'longest.label :=
+ #1 'number.label :=
+ #0 'longest.label.width :=
+ "abcxyz" 'prev.author :=
+ "" 'this.author :=
+}
+
+FUNCTION {longest.label.pass}
+{ number.label int.to.str$ 'label :=
+ number.label #1 + 'number.label :=
+ label width$ longest.label.width >
+ { label 'longest.label :=
+ label width$ 'longest.label.width :=
+ }
+ 'skip$
+ if$
+ author empty$
+ { editor empty$
+ { "" }
+ 'editor
+ if$
+ }
+ 'author
+ if$
+ 'this.author :=
+ this.author prev.author =
+ { "\bysame" 'bysame := }
+ { "" 'bysame :=
+ this.author "" =
+ { "abcxyz" }
+ 'this.author
+ if$
+ 'prev.author :=
+ }
+ if$
+}
+
+EXECUTE {initialize.longest.label}
+
+ITERATE {longest.label.pass}
+
+FUNCTION {write.lines}
+{ { duplicate$ "." = NOT }
+ { write$ newline$ }
+ while$
+ pop$
+}
+
+FUNCTION {begin.bib}
+{ preamble$ empty$
+ 'skip$
+ { preamble$ write$ newline$ }
+ if$
+ "\begin{thebibliography}{" longest.label * "}" * write$ newline$
+ " \providecommand{\bysame}{\leavevmode\hbox to3em{\hrulefill}\thinspace}"
+ write$ newline$
+ " \providecommand{\MR}{\relax\ifhmode\unskip\space\fi MR }"
+ write$ newline$
+ " % \MRhref is called by the amsart/book/proc definition of \MR."
+ write$ newline$
+ " \providecommand{\MRhref}[2]{%" write$ newline$
+ " \href{http://www.ams.org/mathscinet-getitem?mr=#1}{#2}"
+ write$ newline$
+ " }" write$ newline$
+ " \providecommand{\href}[2]{#2}" write$ newline$
+ " \providebibliographyfont{name}{}%" write$ newline$
+ " \providebibliographyfont{lastname}{}%" write$ newline$
+ " \providebibliographyfont{title}{\emph}%" write$ newline$
+ " \providebibliographyfont{etal}{}%" write$ newline$
+ " \providebibliographyfont{journal}{}%" write$ newline$
+ " \providebibliographyfont{volume}{\textbf}%" write$ newline$
+ " \providebibliographyfont{ISBN}{\MakeUppercase}%" write$ newline$
+ " \providebibliographyfont{ISSN}{\MakeUppercase}%" write$ newline$
+ " \providebibliographyfont{url}{\url}%" write$ newline$
+ " \providecommand\btxprintamslanguage[1]{\ (#1)}"
+ write$ newline$
+}
+
+EXECUTE {begin.bib}
+
+EXECUTE {init.state.consts}
+
+ITERATE {call.type$}
+
+FUNCTION {end.bib}
+{ newline$
+ "\end{thebibliography}" write$ newline$
+}
+
+EXECUTE {end.bib}
+