TY  - BOOK
AU  - Angel,S.
AU  - Hyman,G.M.(Geoffrey M.)
TI  - Urban fields: a geometry of movement for regional science 
SN  - 0850860520 :
U1  - 309.240184 
PY  - 1976///
CY  - London
PB  - Pion
KW  - Traffic flow
KW  - Mathematical models
KW  - Regional planning
N1  - Includes bibliographical references and index
ER  -