Gram, Ernest. <br/><br/>
Recognition and control of pests and diseases of farm crops 

 - 2 ed. 
 - Dorset, England :  Blandford,  1980 
 - 166 p.  : ilus 
<br/><br/><label>LCCN: </label>14792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control de plagas.<br/>Cultivos--Enfermedades.<br/>Cultivos--Plagas.<br/>Fitopatología.<br/>Insectos--Identificación.
<br/><br/><label>Dewey Class. No.: </label>632  / G7 1980