00291nam a2200109Ia 4500008004100000082002200041100000500063245006500068260002600133300000800159700001400167140316s9999    xx            000 0 und d  a632.95 17bGOP/RE  a  aResidue analysis of insecticides : summer institute lectures  aNew DelhibICARc1980  a374  aGupta,D S