00261nam a2200097Ia 4500008004100000082002000041100002000061245002700081260004700108300000800155140113s9999    xx            000 0 und d  a632.95(02)   L3  a"Dhingra, K.C."  aHandbook of pesticides  a1973bSmall Industry Res. InstitutecDelhi  a256