Stebbins, G. Ledyard (George Ledyard),  1906- <br/><br/>
Processes of organic evolution / 
G. Ledyard Stebbins 
 - 3rd ed. 
 - Englewood Cliffs, N.J.  Prentice-Hall,  1977 
 - xii, 269 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes indexes 
<br/><br/><label>ISBN: </label>0137233957 
<br/><br/><label>LCCN: </label>74-152445 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution