Ferrocarriles, consumo energetico y seleccion de sistema tractivo /

Bibliographic Details
Main Author: Porras Arrieta, Javier (Author, Autor/a)
Format: Thesis Book
Language:Spanish
Published: San José, C.R., 1981.
Subjects:
Description
Physical Description:48 hojas : ilustraciones ; 28 cm
Bibliography:Bibliografia: h. 47-48.