TY  - BOOK
AU  - Álvarez Stein,Alejandro
TI  - Técnica ferroviaria
SN  - 9788473605168
AV  - TF197 ebook 
PY  - 2012///]
CY  - [Madrid, España]
PB  - Tébar
KW  - Railroads
KW  - Models
KW  - Railroad engineering
N1  - Includes index
UR  - https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/30378/
ER  -