000 00291 a2200121 4500
020 _a978-81-8487-364-1
100 _qSharma, Shweta & Sharma, Pooja
245 _aEnvironmental Chemistry
260 _aDelhi
_bNarosa
_c2014
300 _b8.32, I.8 p.
650 _2English
942 _2ddc
_cBK
999 _c303224
_d303224