Doctoral research on agriculture and related subjects 1975    (Book) 

 - High Wycombe, England  University Microfilms  1975 
 - 44 p.  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Bibliography--Periodicals
<br/><br/><label>Universal Decimal Class. No.: </label>63:043 DOC  / 5447