TY  - BOOK
AU  - Starr,John T.
TI  - The Evolution of unit train, 1960-1969
SN  - 0890650659
PY  - 1976///
CY  - Chicago, Ill.
PB  - University of Chicago
KW  - Railroads
KW  - United States
KW  - Freight
KW  - Train load
N1  - Bibliography : p. 215-233
ER  -