Thorne, Gerald  1890- <br/><br/>
Principles of nematology / 
Gerald Thorne 
 - New York :  McGraw-Hill,  c1961. 
 - xiv, 553 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nematode diseases of plants.
<br/><br/><label>Dewey Class. No.: </label>632.6257  / THP 1961