Waldron, C. B. <br/><br/>
Destructive insects of North Dakota  / 
C. B. Waldron 
 - Fargo  :   North Dakota Agricultural College 
 - p. 293-306 
 - North Dakota Agr. Exp. Sta. Bull; 34 .
<br/><br/><label>LCCN: </label>203245 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Entomología económica