Enger, Eldon D. <br/><br/>
Concepts in biology / 
Eldon D. Enger, Frederick C. Ross, David B. Bailey. 
 - 13th ed. 
 - Boston :  McGraw-Hill,  2009. 
 - xxii, 682 p. 
<br/><br/><label>ISBN: </label>0071287892 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.