TY  - BOOK
AU  - Walters A. A.
TI  - Economics of road user charges
U1  - X411:446, K8 
PY  - 1968///
CY  - Baltimore
PB  - Johns Hopkins Press        
KW  - Road Transport Economics
N1  - International Bank for Reconstruction and Development, World Bank Staff, Occasional Papers edited by Hugh Latimer. 5
ER  -