Concepts in Biology/ 
Eldon D. Enger ... [et al.] 
 - 6th ed. 
 - Dubuque:   Wm. C. Brown Publishers,   1991. 
 - xiii, 535p.:   ill. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0697098885 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>LC Class. No.: </label>QH 308.2 CON 1991