Unwin, David J.  1943- <br/><br/>
Introductory spatial analysis 
David Unwin 
 - London  Methuen  1981 
 - xii, 212 p.  ill., maps  24cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maps<br/>Spatial analysis (Statistics)
<br/><br/><label>Dewey Class. No.: </label>912  / .01  / 8