000 00277nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSrivastava, Smriti
245 0 _aEnvironment And Ecology
260 _aNew Delhi
_bS.K. Kataria & Sons
_c2008
300 _a296p.
942 _cBK
999 _c11978
_d11978