000 00265nam a2200109Ia 4500
100 _aBhal, B.S. & Tuli, G.D.
942 _cBK
245 _achemistry and specificaltion of pestiides
260 _aS.chand & co., New Delhi
_c1991
082 _a541.3 Bha
300 _a844
999 _c61640
_d61640