000 00252nam a2200097Ia 4500
008 220201s1999 xx 000 0 eng d
100 _aDE (ANIL KUMAR)
245 0 _aENVIRONMENTAL CHEMISTRY
260 _bNEW AGE INTERNATIONAL (p) ITD
_c1999
942 _2ddc
999 _c97755
_d97755