00463nam a2200157Ia 4500008004100000020001500041082001800056100001800074245004100092260004500133300000800178650004100186650003400227653002700261653001700288170901s1973    xx            000 0 und d  a091370203x  a632.951bT40A  aThomson, W.T. 0aAgricultural ChemicalsbInsecticides  aIndianapolisbThomson Publicationsc1973  a300  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural chemicals  aInsecticides