000 00350nam a2200133Ia 4500
008 210901s2007 xx 000 0 eng d
020 _a8184120419
082 _a363.7 KAL
100 _aKalita,Mahanta K.
245 0 _aIntroduction to environmental studies
260 _aNew Delhi
_bAsian Books Pvt. Ltd.
_c2007
300 _a197p.
942 _2ddc
_cBK
999 _c28272
_d28272