The blackberry mite in Oregon  / 
W. D. Edwards... [et.al.] 
 - Corvallis  :   Oregon State Agr. College 
 - 33 p. 
 - Oregon Agr. Exp. Sta. Bull.; 337 .
<br/><br/><label>LCCN: </label>203162 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mora -- Plagas