Benton, Allen H. <br/><br/>
Field biology and ecology / 
Allen H. Benton and William E. Werner, Jr 
 - 3rd ed. 
 - New York :  McGraw-Hill,  1973 
 - ix, 564 p. :  illus. ;  24 cm. 
<br/><br/> First ed. published in 1958 under title: Principles of field biology and ecology. 
<br/><br/>Includes bibliography 
<br/><br/><label>ISBN: </label>0070048290 
<br/><br/><label>LCCN: </label>73-014776 //r862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Biology--Field work