Concepts in biology 
Enger, Eldon D. 
 - 9th ed. 
 -  McGraw-Hill,  2000 
 - xii, 532 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-07-117525-3 (international ed.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>Dewey Class. No.: </label>570 En3c 2000