Holden, John P <br/><br/>
Ecoscience 
 population, resources, environment 

 - 3rd ed. 
 - San Francisco  W.H. Freeman  [1977] 
 - xv, 1051p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGY<br/>ECOSCIENCE
<br/><br/><label>LC Class. No.: </label>HB 871 Her