Worrall Les <br/><br/>
Spatial Analysis and Spatial Policy Using Geographic Information Systems 
/ by Les Worrall 
 - 1st ed. 
 - New Delhi  CSB Publications  1992 
 - 236p. 
<br/><br/><label>ISBN: </label>1852931418 
<br/><br/><label>Dewey Class. No.: </label>304.23  / WOR/S