000 00223nam a2200109Ia 4500
100 _aDE, A.K.
245 _aENVIRONMENTAL CHEMISTRY
250 _aIV
260 _bNEW AGE INT. LTD.
_c2000
300 _a392
942 _2ddc
_cSC
999 _c77274
_d77274