Idota, Tetsuya; Biagioni, Edoardo; Binsted, Kim (December 2018). "Swarm Exploration of Extraterrestrial Lava Tubes with Ad-Hoc Communications". 2018 6th IEEE International Conference on Wireless for Space and Extreme Environments (WiSEE). pp. 163–168. doi:10.1109/WiSEE.2018.8637325. ISBN978-1-5386-4244-3. S2CID61811871.
The Virtual Lava TubeArchived 26 July 2004 at the Wayback Machinegoodearthgraphics.com, Large educational site on lava tube features and how they form, with many photos, Retrieved 19 June 2018
Idota, Tetsuya; Biagioni, Edoardo; Binsted, Kim (December 2018). "Swarm Exploration of Extraterrestrial Lava Tubes with Ad-Hoc Communications". 2018 6th IEEE International Conference on Wireless for Space and Extreme Environments (WiSEE). pp. 163–168. doi:10.1109/WiSEE.2018.8637325. ISBN978-1-5386-4244-3. S2CID61811871.
The Virtual Lava TubeArchived 26 July 2004 at the Wayback Machinegoodearthgraphics.com, Large educational site on lava tube features and how they form, with many photos, Retrieved 19 June 2018
Gulden, Bob (21 June 2011). "World's Longest Lava Tubes". Archived from the original on 15 May 2006. Retrieved 26 June 2011.{{cite web}}: CS1 maint: unfit URL (link)