Emmel, Thomas C. <br/><br/>
Selection and host plant overlap in two desert butterflies / 
Thom as C. Emmel and John F. Emmel. 
 - [s.l :  s.n,  19?] 
 - v. ;  30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desert locusts.
<br/><br/><label>Dewey Class. No.: </label>632.726