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020 _a81-7488-544-7
040 _cKL MEHTA
082 _a574.5 T
100 _aTrivedi; R.N.
245 2 _aA Textbook Of Environmental Sciences
_hEnglish
260 _c1997
_bAnmol Publications Pvt. Ltd.
_aNew Delhi
300 _a472pg
651 _aEnvironmental Studies
942 _cBK
_2ddc