TY  - BOOK
AU  - Planning and Transport research and computation co. ltd.
ED  - Planning and Transport research and computation co. ltd.
TI  - Proceedings of the conference on Urban data management2-5 April
U1  - "X62:8p56124,N68, K8" 
PY  - 1968///
CY  - London
PB  - PTRC       
ER  -