TY  - JOUR
PY  - 1977//
TI  - Safety system for train operations control
JO  - Japanese railway engineering
A1  - Iwasa, K.
SP  - 4
EP  - 6
VL  - 17
IS  - 1
N2  - The high density of traffic and high speeds on Japanese National Railways make important reliable signaling and safety devices. Described are the evolution of automatic train stop, cab signals, automatic speed supervision and other controls.<p /> 
LA  - 
SN  - 0448-8938
UR  - http://dx.doi.org/
ID  - ref1
ER  -