International Railway Signals ,
Brian Clearman,1991
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Technical Specification for LED Signal Lighting
Units for Railway Signalling, 2007
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Frey S. Railway Electrification Systems & Engineering
White Word Publications, 2012. 145 p.
Table of Contents Railway Electrification System Traction Power Network Railway Electric Traction Electric Locomotive Pantograph (Rail) Electric Multiple Unit Trolley Pole Third Rail Overhead Lines Ground-Level Power Supply
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