TY  - BOOK
AU  - Johnson, Ralph Paine
TI  - The steam locomotive: its theory, operation and economics, including comparison with Diesel- electric locomotives 
AV  - TJ 605 J6
PY  - 1944///
CY  - New York
PB  - Simmons-Boardman
KW  - Locomotoras
N1  - Incluye apéndice e índice
ER  -