TY  - BOOK
T1  - Railroad engineering : Volume I
A1  - Hay, William W.
LA  - English
PP  - London
PB  - Wiley
YR  - 1964
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.3762
OP  - 483
KW  - FERROCARRILES
KW  - CONSTRUCCION
KW  - VIAS
ER  -