Sustainable land use systems research  :proceedings of an international workshop,New Delhi  1990 

 - New Delhi  Oxford & IBH  1992 
<br/><br/><label>ISBN: </label>8120406699 
<br/><br/><label>Subjects--Index Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>631.5  / N2