00476     2200181   4500001002100000005001500021035002000036008004100056245001400097100003100111260005500142300002500197020002200222084001400244082000800258650001400266990001400280INLIS00000000000004620260413034451  a0010-0317000044260413                           0      1 a2-butenal  aWorld Health Organizations  aGeneva :bGeneva:World Health Organizations,c2008  avi, 47 hlm. ;c27 cm  a978-92-4-153074-3  a540 Wor t  a540  aCHEMICALS  a207412112