McGregor, E. A. <br/><br/>
Taxonomic status of the deciduous-fruit para tetranychus with reference to the citrus mite (P. citri) / 
E.A. McGregor 
 - Washington :   Secretary of Agriculture 
 - 24 p. 
<br/><br/> Sobretiro de: Journal of Agricultural Research V. 36 (2): 157-81, 1928 
<br/><br/><label>LCCN: </label>206226 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acaros  <br/>Cítricos -- plagas