TY  - BOOK
AU  - Hay,William Walter
TI  - Railroad engineering
SN  - 0471364002
AV  - TF200 H38 1982
U1  - 625.1 19
PY  - 1982///
CY  - New York
PB  - John Wiley & Sons
KW  - Ingeniería de ferrocarriles
N1  - "A Wiley-Interscience publication"
ER  -