Rockwood, L. P. <br/><br/>
The hessian fly in Oregon  / 
L. P. Rockwood 
 - Corvallis, Oregon  :   Agricultural Experiment Station 
 - 7 p. 
 - Oregon. Agr. Exp. Sta. Circular; 141 .
<br/><br/><label>LCCN: </label>203079 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phytophaga destructor  Trigo -- Plagas