Urban development models / 
Edited by Richard Baxter, Marcial Echenique and Janet Owers 
 - Lancaster :  The Construction,  1975 
 - 335 p. :  ill. ;  26 cm. 
 - LUBFS Conference Proceedings,  no.3 .
<br/><br/> An out-of-print edition 
<br/><br/><label>ISBN: </label>0904406113