000 00306pam a2200133 a 4500
020 _c
041 _aeng
100 _aDhaliwal.G.S.
245 _aPestisides & Environment
_hTextual Documents
260 _a[s.l]:
_bCommonwelth Publishers
300 _a439p.
700 _aBalwinder Singh.
930 _a13858
999 _c90759
_d90759