TY  - BOOK
AU  - Locklin,D.Philip
TI  - Economics of transportation,
T2  - Irwin series in economics
U1  - 330 21
PY  - 1966///
CY  - Homewood, Ill.
PB  - R. D. Irwin
KW  - Transportation
KW  - United States
KW  - Railroads
N1  - Includes bibliographical references
ER  -