Hopfen, H. J. <br/><br/>
International directory of agricultural engineering insttutions / 
by H. J. Hopfen ; organization by Food and Agricultural Organization of the United Nations 
 - Italy :  Food and Agricultural Organization,  1957 
 - 326 p. ;  27 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 1.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Directories<br/>Agricultural engineering--Directories<br/>Agricultural innovations--Directories
<br/><br/><label>Dewey Class. No.: </label>631.06058