00536nam a2200169 a 450000500170000000800410001702000210005810000200007924500900009925000130018926000420020230000300024450000190027465000380029370000220033185200130035320190520022628.0120920s19uu    xx            00    eng d  a978-007-128275-810aEnger, Eldon D.10aEnvironmental Science :ba study of relationship /cEldon D. Enger, Bradley F. Smith.  a11th ed.0 aNew York :bMc Graw-Hill Inc,cc2009.  axxiv, 488p. : ill. ; 26cm  aIncludes index  aEnvironmental SciencexTextbooks.1 aBradley, Smith F.  7Donation