Farming With Animal Power 

 - 1977 
 - Food and Agriculture Organization of the United Nations (FAO)  Rome  1977 
 - 57p.  fig. 
 - Better farming series  14 .
<br/><br/><label>ISBN: </label>925100157X 
<br/><br/><label>Nat. Bib. No.: </label>6684 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.3  / FOO