TY  - BOOK
AU  - Locklin,D.Philip
TI  - Economics of transportation
T2  - The Irwin series in economics
AV  - HE 206 L816e 1972
U1  - 380.5 
PY  - 1972///
CY  - Homewood, Ill.
PB  - R. D. Irwin
KW  - Transportation
KW  - United States
KW  - Railroads
KW  - Transporte
KW  - Estados Unidos
KW  - Primera Jornada de Catalogacion
N1  - Includes bibliographies
ER  -