TY  - BOOK
TI  - Palnning and transport Research Computation Symposium, University College London. London( 25-27 June1969)
U1  - X4:2p 56124, N69, K9 
PY  - 1969///
CY  - London
PB  - Planning and Transport research and computation co. ltd.   
N1  - Cost models and optimisation in raad location, Design and Constroction
ER  -