TY  - BOOK
AU  - Fogel,Robert William
TI  - Railroads and American economic growth: essays in econometric history 
AV  - HE 2751 F655r 1964
U1  - 385.0973 
PY  - 1964///]
CY  - Baltimore
PB  - Johns Hopkins Press
KW  - Railroads
KW  - United States
KW  - History
KW  - Ferrocarriles
KW  - Historia
KW  - Estados Unidos
KW  - Economic conditions
N1  - Bibliography: p. 263-285
ER  -