Sinyal kereta api: Perbedaan antara revisi

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InternetArchiveBot (bicara | kontrib)
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8.6
Baris 47:
* [http://www.thesignalpage.nl The Signal Page (TSP) is a Dutch website about railway signalling, world wide.]
* [http://www.signalbox.org/ John Hinson's site 'The Signal Box']
* [http://www.railsigns.co.uk/ Railway Signs and Signals of Great Britain] {{Webarchive|url=https://web.archive.org/web/20081206160420/http://www.railsigns.co.uk/ |date=2008-12-06 }}
* [http://users.cybercity.dk/~ccc29506/rr/signal/dk/dksignal.html Danish Signaling, an introduction] {{Webarchive|url=https://web.archive.org/web/20080113190526/http://users.cybercity.dk/~ccc29506/rr/signal/dk/dksignal.html |date=2008-01-13 }}
* [http://www.davros.org/rail/signalling/articles/junctions.html Clive Feather's Junction Signalling]