Hazen, William E.  1925- <br/><br/>
Readings in population and community ecology / 
William E. Hazen 
 - 2nd ed. 
 - Philadelphia :  W. B. Saunders,  1970 
 - 421 p. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotic communities<br/>Population<br/>Ecology