Concepts in biology / 
Eldon D. Enger ... [et al.]. 
 - 2d ed. 
 - Dubuque, Iowa :  W. C. Brown Co.,  c1979. 
 - xiii, 512 p., [1] fold. leaf of plates :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 506. 
<br/><br/><label>ISBN: </label>0697045625 
<br/><br/><label>LCCN: </label>78059903 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>LC Class. No.: </label>QH308.2  QH301.2  / .C66 1979  / .E5 
<br/><br/><label>Dewey Class. No.: </label>574