000 00331nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a8131507636
082 _a628 D246
100 _aDAVE, D.
245 0 _aTEXTBOOK OF ENVIRONMENT & ECOLOGY
260 _aDELHI
_bCengage
_c2009
300 _avi+270p.,24x18Cms.
942 _cBK
_2DDC
999 _c36339
_d36339