Hopfen, H.J. <br/><br/>
Small farm implements  /    
H.J. Hopfen and E. Biesalski 
 - Rome :   FAO,   1953. 
 - vii, 79 p. :    ill. ;    23 cm. 
 - FAO Development paper ;   no.32 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farms, Small.--------<br/>Agricultural implements.--------