Stein, John D <br/><br/>
Key to shelterbelt insects in the Northern Great Plains /  
John D. Stein  and  Patrick C  Kennedy. 
 - U. S.:  Dept. of Agriculture,  1972 
 - 153p.:  il., color. 
 - Series: USDA Forest Service research paper RM.  85 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insetos
<br/><br/><label>Dewey Class. No.: </label>595.7