Wood, Andrew Wardman. <br/><br/>
Land for tomorrow :  subsistence agriculture, soil fertility and ecosystem stability in the New Guinea highlands / 
by Andrew W. Wood. 
 - Port Moresby :  University of Papua New Guinea, Dept. of Geography,  1984. 
 - v. 
<br/><br/>A thesis submitted to the University of Papua New Guinea for the degree of Doctor of Philosophy, 1984. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Huli (Papua New Guinea people).<br/>Soil fertility--Papua New Guinea--Southern Highlands Province.<br/>Agricultural ecology--Papua New Guinea--Southern Highlands Province.<br/>Agriculture--Papua New Guinea--Southern Highlands Province.