000 00418nam a2200157Ia 4500
008 170901s1990 xx 000 0 und d
082 _a574.5
_bA45E
100 _aAmbasht, R.S.
245 0 _aEnvironment and Pollution
_bAn Ecological Approach
260 _aVaranasi
_bStudents' Friends and Co.
_c1990
300 _a231
650 _aLife sciences
650 _aPure Sciences
653 _aPollution
942 _2ddc
_cBK
999 _c6628
_d6628