Borror, Donald Joyce,  1907- <br/><br/>
An introduction to the study of insects / 
Donald J. Borror, Dwight M. De Long, Charles A. Triplehorn. 
 - 5th ed. 
 - Philadelphia :  Saunders College,  1981. 
 - 827 p. :  ill. ;  24 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Entomology.<br/>Insects--United States.