TY  - BOOK
AU  - Cliff A D
AU  -  Ord J K
TI  - Spatial processes :  Models and applications   
U1  - U43:(B), M1 
PY  - 1981///
CY  - London
PB  - Pion U. K.        
KW  - Urban Geography
N1  - Bibliography p.251-62
ER  -