TY  - BOOK
AU  - Raymond,William G.
AU  - Riggs,Henry Earle
AU  - Sadler,Walter Clifford
TI  - Elements of railroad engineering
AV  - TF145 .R26 1947
PY  - 1947///
CY  - New York
PB  - J. Wiley
KW  - Railroad engineering
ER  -