Wedberg, J. L. <br/><br/>
Bionomics of insect associated with corn in the Nebraska sand hills / 
by J. L. Wedberg, J. B. Campbell and T. J. Helms 
 - Nebraska :  University of Nebraska,  1975 
 - 30 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forest biomass<br/>Forest productivity
<br/><br/><label>Dewey Class. No.: </label>634.92