Enger, Eldon D. <br/><br/>
Concepts in biology / 
Eldon Enger. 
 - 13th ed. 
 - Dubuque, IA :  McGraw-Hill,  c2009. 
 - xxii, 682 p. : col. ill. ; 28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>LCCN: </label>2007031163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.