Stebbins, G. Ledyard,  <br/><br/>
Processes of organic evolution / 
G. Ledyard Stebbins 
 - Englewood Cliffs, New Jersey :  Prentice-Hall,  1966 
 - xii, 191 pages :  illustrations, maps. ;  23 cm 
<br/><br/>includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution
<br/><br/><label>LC Class. No.: </label>QH366.2 S74