000 00301nam a2200121Ia 4500
008 220201s2000 xx 000 0 eng d
082 _a620.68
_bDHA
100 _aDhameja, S.K
245 0 _aEnvironmental engineering & management
260 _aDelhi
_bS.K.Kataria
_c2000
300 _a385
942 _2ddc
999 _c36641
_d36641