Mai, W. F. <br/><br/>
Pictorial key to genera of plant-parasitic nematodes / 
W. F. Mai ; with H. H. Lyon, photographer. 
 - 4th ed., rev. 
 - Ithaca, N.Y. :  Comstock Pub. Associates,  1975. 
<br/><br/> Includes index.  First published in 1960. 
<br/><br/>Bibliography: p. [173]-215. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>LCCN: </label>74014082 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant nematodes -- Identification.--Plant nematodes -- Identification.<br/>Plant parasites -- Identification.--Plant parasites -- Identification.
<br/><br/><label>LC Class. No.: </label>QL391.N4  / M22 1975 
<br/><br/><label>Dewey Class. No.: </label>595/.182