Benton,Allen H <br/><br/>
Field biology and ecology 
Allen H. Benton and William E. Werner, Jr. 
 - 3rd ed. 
 - New Delhi  Tata-McGraw-Hill  1976[c1974] 
 - ix,564p. : ill.;  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Biology--Field work
<br/><br/><label>Dewey Class. No.: </label>CB  / 574.5028 BEN