Delforce, Julie. <br/><br/>
Tractors versus draught animals :  literature review and case study / 
Julie Delforce. 
 - Armidale, N.S.W. :  University of New England,  c1987. 
 - 32 p. 
 - Occasional paper in economic development / University of New England, Faculty of Economic Studies ; no. 06 .
 - Occasional paper in economic development (University of New South Wales.  no. 06 .
<br/><br/><label>ISBN: </label>0858346893 
<br/><br/><label>ISSN: </label>08165041 
<br/><br/><label>LCCN: </label>92033010 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural machinery.<br/>Agricultural innovations.<br/>Farm mechanization--Economic aspects.<br/>Draft animals.