00527nam a22001817a 4500020001800000020001800018020001800036020001800054082002400072100002000096245005600116250001200172260005100184300005700235500002000292650001300312700002000325  a0-697-09888-5  a0-697-12131-3  a0-697-13794-5  a0-697-13746-5  aProf. 570 E576 19911 aEnger, Eldon D.10aConcepts in biology /cEldon D. Enger ... [et al.].  a6th ed.  aDubuque, IA :bWm. C. Brown Publishers,c1991.  axiii, 535 p. :bill. (some col.), col. maps ; 27 cm.  aIncludes index.10aBiology.1 aEnger, Eldon D.