000
00265nam a2200109Ia 4500
100
_a
Bhal, B.S. & Tuli, G.D.
942
_c
BK
245
_a
chemistry and specificaltion of pestiides
260
_a
S.chand & co., New Delhi
_c
1991
082
_a
541.3 Bha
300
_a
844
999
_c
61640
_d
61640