TY  - BOOK
TI  - Planning and Transport Research and Computation, (University of Sussex:  25-29 June 1973)   
U1  - X9(D5):2p561, N73, L3 
PY  - 1973///
CY  - London
PB  - PTRC Co. ltd.        
N1  - Seminar Proceedings, Cost Models and Optimisation in highways 25-27 June 1973
ER  -