Klaassen, Leo Hendrik. <br/><br/>
Spatial systems :  a general introduction / 
L.H. Klaasen,J.H.P. Paelinck, S. Wagenaar. 
 - Westmead, England :  Saxon House,  1979. 
 - x, 165 p. :  ill. 
<br/><br/><label>ISBN: </label>0566002639 
<br/><br/><label>LCCN: </label>93044241     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spatial analysis (Statistics)<br/>City planning--Social aspects.