Farming systems of the world, 
by A.N. Duckham and G.B. Masefield; assisted by R.W. Willey and Kathleen Down.  
 - London,  Chatto & Windus  1970.  
 - xviii, 542 p. (1 folded), 10 plates (1 folded)  ill., maps  24 cm. 
<br/><br/>Includes bibliographical references.  
<br/><br/><label>ISBN: </label>0701113618 9780701113612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems.<br/>Syst?emes agricoles.<br/>Agricultura (Aspectos Economicos)
<br/><br/><label>Subjects--Index Terms: </label>Agriculture Agriculture  Economic aspects 
<br/><br/><label>LC Class. No.: </label>S439  / .D97 1970