Akesson, N.B. <br/><br/>
The use of aricraft in agriculture / 
by Norman B. Akesson, Wesley E. Yates 
 - Rome  Food and Agriculture Organization  1974 
 - ix, 217 pages. 
<br/><br/> Include bibliography and references 
<br/><br/><label>Dewey Class. No.: </label>631.3  / AKE