@ONLINE{nos_weeralarm_2009, title = {Weeralarm en verkeeralarm ingetrokken}, url = {http://nos.nl/l/124074}, urldate = {2014-02-12}, author = {{NOS}}, date = {2009-12-20}, keywords = {gladheid, ijs, ongeluk, openbaar vervoer, schiphol, sneeuw}, titleaddon = {{NOS.nl}}, }