00447cam a2200145 a 4500008004100000020001500041100001700056245007500073250001600148260005400164300001600218650002900234650001500263050002300278101214s2008    ii      sb    001 0 eng d  a81219088331 aDogra, S. S.12aA textbook of environmental chemistry & pollution controlcS.S. Dogra.  a8th Edition  aNew Delhi, India :bS. CHAND & COMPANY LTDc2005.  aXiv, 402 p. 0aEnvironmental chemistry. 0aPollution.14aTD193b.D64 2008eb