Raven, Peter H. <br/><br/>
Understanding biology / 
Peter H. Raven, George B. Johnson. 
 - 2nd ed. 
 - St. Louis :  Mosby Year Book,  c1991. 
 - 1 v. (various pagings) :  col. ill. ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0697235033 
<br/><br/><label>LCCN: </label>90022152 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>LC Class. No.: </label>QH308.2  / .R38 1991