Maloney, Bernard K. <br/><br/>
New perspectives on possible early dry land and wet land rice cultivation in highland North Sumatra / 
by Bernard K. Maloney. 
 - Hull, England :  University of Hull, Centre for South-East Asian Studies,  1996. 
 - 42 p. :  map ;  30 cm. 
 - Occasional paper / University of Hull, Centre for South-East Asian Studies,  no. 29  0269-1779 ; .
 - Occasional paper (University of Hull. Centre for South-East Asian Studies) ;  no. 29. .
<br/><br/>Includes bibliographical references (p. 36-42). 
<br/><br/><label>ISBN: </label>0859585913 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice--History.--Indonesia--Sumatera Utara<br/>Agriculture, Prehistoric--Indonesia--Sumatera Utara.