000 00428cam a2200157ua 4500
020 _a978-81-89981-01-3
082 _a577.14
_bDOG/T
100 0 _aDogra,S.S
245 0 0 _aTextbook of environmental chemistry and pollution control
260 _aDelhi
_bSwastik
_c2007
300 _a216p.
500 _aIncludes index.
650 _aEnvironmental chemistry
650 0 _aPollution control- Environmental science
942 _cBK
999 _c17679
_d17679