TY  - BOOK
TI  - Maintenance of way standars on american railways and rules instructions governing roadway departments
AV  - HE2757 M35
PY  - 1906///
CY  - New York
PB  - Myron c. clark
KW  - Ferrocarriles
KW  - Estados Unidos
KW  - Administracion
KW  - Carril
ER  -