000 00335nam a2200133Ia 4500
020 _a9788122417555
082 _a333.7071 KAU/P
100 _aKaushik, Anubha; Kaushik, C. P.
245 0 _aPerspectives in environmental studies
250 _a3RD ED.
260 _bMcgraw Hill Book Company
_aUsa
_c2001
650 _aBiology
942 _cBK
999 _c4710
_d4710