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

 - Dorset:   Blandford press,   1969 
 - vi, 166p. 
<br/><br/><label>ISBN: </label>0713709952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Pests Farm crops 
<br/><br/><label>Universal Decimal Class. No.: </label>632 M0