Roberts, Michael Bliss Vaughan. <br/><br/>
Biology;  a functional approach/ 
M. B. V. Roberts.  
 - 4th ed. 
 - New York:  Nelson ,  1986. 
 - x, 693 p.:  ill. ,  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0174480199 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.