000 00266nam a2200109Ia 4500
008 220201s1993 xx 000 0 eng d
100 _aTRIVEDI R N
245 0 _aTEXT BOOK OF ENVIRONMENTAL SCIENCE
260 _aDELHI
_bANMOL PUB
_c1993
300 _a410
942 _2ddc
999 _c91658
_d91658