TY  - BOOK
ED  - International Bank for Reconstructin and Development.
ED  - International Development Association.
TI  - The economic benefits of road transport projects / 
PY  - 1968///
CY  - [s.l] : 
PB  - [s.n], 
KW  - Transportation
KW  - Mathematical models
N1  -  March 18, 1968
ER  -