000 00285nam a22001097a 4500
020 _a9788176222792
082 _a363.73
_bKHA.E
100 _aD R Khanna
245 _aEnvironmental pollution: Assessment and control techniques
260 _aNew Delhi
_bBiotech books
_c2013
942 _cBK
999 _c202699
_d202699