Unwin David <br/><br/>
Introductory spatial analysis 

 - London  Methuen UK           1981 
 - xii, 212p. Bib chapterwise  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U1, M1