000 00265nam a2200109Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aHKOPKAR.S.M
245 0 _aENVIRONMENTAL POLLUTION ANALYSIS
260 _bKRISHNA PRAKASHAN
_c1998
300 _a190
942 _2ddc
_cGE
999 _c307
_d307