000 00278nam a2200109Ia 4500
008 200701s2011 xx 000 0 eng d
100 _aPRATIBHA SINGH
245 2 _aA TEXT BOOK OF ENVIRONMENTAL ECOLOGY
260 _bACME LEARNING PVT LTD
_c2011
300 _a348
942 _2ddc
_cGE
999 _c5148
_d5148