Enger, Eldon D. <br/><br/>
Concepts in biology / 
Eldon D. Enger, Frederick C. Ross, David B. Bailey 
 - 12th ed. 
 - Boston :  McGraw-Hill,  2007 
 - xxiii, 664 p. :  ill. (chiefly col.), maps (chiefly col.) ;  28 cm. 
<br/><br/> Includes index 
<br/><br/>
<br/><br/><label>ISBN: </label>0072986573 (hard copy : alk. paper) 0073227374 (pbk.) RM352.80 9780072986570 9780073227375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology