Cardona-Urrea, Santiago; and Ettema, Dick (3 May 2024). "Aerial cable cars as a transit mode: a review of technological advances, service area characteristics, and societal impacts in Latin America and the Caribbean". Transport Reviews. 44 (3): 684–708. doi:10.1080/01441647.2023.2294752. ISSN0144-1647.
Information Center for Ropeway Studies (2006-03-17). "About Ropeways". Colorado School of Mines – Arthur Lakes Library. Archived from the original on 2006-09-04. Retrieved 2006-11-30.
Le VittimeArchived 2007-10-07 at the Wayback Machine (list of the names of the victims) by the Comitato 3 Febbraio per la giustizia (3 February Committee for Justice), from valdifiemme.it (in Italian)
Information Center for Ropeway Studies (2006-03-17). "About Ropeways". Colorado School of Mines – Arthur Lakes Library. Archived from the original on 2006-09-04. Retrieved 2006-11-30.
Le VittimeArchived 2007-10-07 at the Wayback Machine (list of the names of the victims) by the Comitato 3 Febbraio per la giustizia (3 February Committee for Justice), from valdifiemme.it (in Italian)
Cardona-Urrea, Santiago; and Ettema, Dick (3 May 2024). "Aerial cable cars as a transit mode: a review of technological advances, service area characteristics, and societal impacts in Latin America and the Caribbean". Transport Reviews. 44 (3): 684–708. doi:10.1080/01441647.2023.2294752. ISSN0144-1647.