Robertson, John. <br/><br/>
Mechanising vegetable production 

 - Ipswich, Suffolk :  Farming Press,  1974 
 - 195 p.  : ilus. 
<br/><br/><label>LCCN: </label>49388 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Legumbres--Rendimiento.
<br/><br/><label>Dewey Class. No.: </label>635  / R6