000 00255nam a22001217a 4500
003 SGT
082 _a375.0083
_bE17D
100 _aDE,A K
245 _aENVIRONMENTAL CHEMISTRY
260 _aINDIA
_bNEW AGE INT.
_c2017
300 _a371
942 _2ddc
_cBK
_012
999 _c14101
_d14101