Proceedings of the second international summer school in agriculture  held by the royal dublin  society in cooperation with w k kellogg foundation 

 - London  1984 
<br/><br/><label>ISBN: </label>0 407 00303 7 
<br/><br/><label>LC Class. No.: </label>633.1/INT 
<br/><br/><label>Dewey Class. No.: </label>633.1/INT