000 00316nam a2200133Ia 4500
008 240301s9999||||xx |||||||||||||| ||und||
035 _a675
082 _a-
100 _aS S. Purohit ,. S.hammi
245 2 _aA Textbook Of Environmental Sciences
250 _a-
260 _bstudent edition
_c2004
942 _cBK
999 _c219477
_d219477