TY  - BOOK
ED  - UN TAA & ECAFE
TI  - Railway operating and signalling techniques in Europe, Japan and the United States of America
U1  - 625.165 
CY  - New York
PB  - UN TAA & ECAFE
KW  - Railway operation
KW  - Signalling
KW  - Signals
N1  - Report to the expert working group from Asia & The Far East on Railway operating and signalling, 1952-1953
ER  -