000 00332nam a22001457a 4500
003 SGT
020 _a9788184873641
082 _a628,SHA
100 _aSHARMA,SWETA
245 _aENVIRONMENTAL CHEMISTRY
260 _aNEW DELHI
_bNAROSA PUB. HOUSE
_c2014
300 _a80.32
650 _aENVIRONMENTAL CHEMISTRY
942 _2ddc
_cBK
999 _c24909
_d24909