SWAN, L.A <br/><br/>
Beneficial insects:  nature's alternatives to chemical insecticides animal predation, parasitism, desease organisms 
Lester A.Swan 
 - New York  Harper & Row  1964 
 - xvii,429p.  ill. 
<br/><br/><label>ISBN: </label> 59.62 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INSECT PESTS-BIOLOGICAL CONTROL
<br/><br/><label>Dewey Class. No.: </label>ZOO 632.9  / SLn64