00566nam a22001577a 4500008004100000020001800041050002100059100003300080245011100113250001200224260003600236300003200272521005100304650002700355700002600382170128b        xxu||||| |||| 00| 0 eng d  a9780077330934  aGE 105 .C86 2009  aCunningham, William P.d2009  aPrinciples of Environmental Science:bInquiry & Applications/cWilliam C. Cunningham, Mary Ann Cunningham.  a5th ed.  aNew york:bMc Graw hill,c2009.  axxiii, 408p.:bill.;c28cm.  aIncludes bibliographical references and index.  aEnvironmental science.  aCunningham, Mary Ann.