TY  - BOOK
AU  - Thelander,Th
TI  - Analysis of competitive relations between operation systems:General principles and their application to electric and diesel-electric traction
AV  - TF23 .T5
PY  - 1956///
CY  - Stockholm
KW  - Railroads
KW  - United States
KW  - Transportation, Automotive
ER  -