Andres Betschart, ed. (2011). "World of glaciers"(PDF) (in German and English) (1 ed.). Naters, Switzerland: Stiftung UNESCO Welterbe Schweizer Alpen Jungfrau-Aletsch, Managementzentrum. Archived from the original(PDF) on 14 April 2016. Retrieved 14 February 2016.
Luigi Jorio (16 July 2007). "Experts size up glaciers as they melt away". Berne, Switzerland: swissinfo.ch – the international service of the Swiss Broadcasting Corporation. Archived from the original on 19 December 2008. Retrieved 18 March 2016.
swissinfo, ed. (18 August 2007). "Volunteers strip off to fight climate change". Berne, Switzerland: swissinfo.ch – the international service of the Swiss Broadcasting Corporation. Archived from the original on 4 May 2018. Retrieved 18 March 2016.
unesco.org
whc.unesco.org
"Swiss Alps Jungfrau-Aletsch". unesco.org. Paris, France: UNESCO World Heritage Centre 1992-2016, UN. 13 December 2001. Retrieved 18 March 2016.
web.archive.org
Andres Betschart, ed. (2011). "World of glaciers"(PDF) (in German and English) (1 ed.). Naters, Switzerland: Stiftung UNESCO Welterbe Schweizer Alpen Jungfrau-Aletsch, Managementzentrum. Archived from the original(PDF) on 14 April 2016. Retrieved 14 February 2016.
Luigi Jorio (16 July 2007). "Experts size up glaciers as they melt away". Berne, Switzerland: swissinfo.ch – the international service of the Swiss Broadcasting Corporation. Archived from the original on 19 December 2008. Retrieved 18 March 2016.
swissinfo, ed. (18 August 2007). "Volunteers strip off to fight climate change". Berne, Switzerland: swissinfo.ch – the international service of the Swiss Broadcasting Corporation. Archived from the original on 4 May 2018. Retrieved 18 March 2016.