"گوٹہارڈ ریل لنک" کے نسخوں کے درمیان فرق

* [http://www.gottardo2016.ch/en Official website]{{wayback|url=http://www.gottardo2016.ch/en |date=20160409181100 }}

* [http://www.alptransit.ch/en/home.html Alptransit Gotthard AG]

* [http://www.spiegel.de/international/spiegel/0,1518,454843,00.html Overall project writeup] by SpiegelOnline, plus a proposed tourist elevator (December 2006)

*{{Fr icon}} TSR [http://www.tsr.ch/tsr/index.html?siteSect=500000#bcid=502890;vid=7857769 "Gotthard: From Dream to Nightmare"] "Temps Present", 24 May 2007