Benton, Allen H. <br/><br/>
Principles of field biology & ecology /    
by Allen H. Benton [and] William E. Werner, Jr. 
 - New York:   McGraw-Hill,   1958. 
 - 341 p.:    ill.;    24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology --Fieldwork.------<br/>Ecology.--Fieldwork.------
<br/><br/><label>Dewey Class. No.: </label>574.9 BEN