00469nam a2200169Ia 4500008004100000020001500041082001400056100001800070245005500088250000600143260003400149300000800183650003800191650003400229653001700263653001900280170901s1993    xx            000 0 und d  a0137878621  a664bW23S  aWatson, D. H. 0aSafety of Chemicals in FoodbChemical Contaminants  a1  aNew YorkbEllis Horwoodc1993  a193  aChemical and Related Technologies  aTechnology (Applied sciences)  aContaminants  aFood chemistry