Richter 1951, hlm. 16. Richter, N. (1 July 1951). "Mondkraterformationen auf der Erde". Geofisica Pura e Applicata (dalam bahasa Jerman). 20 (1): 15–23. doi:10.1007/BF01996887. ISSN0367-4355.
Knctsch 1950, hlm. 49. Knctsch, Georg (1 March 1950). "Beobachtungen in der libyschen Sahara". Geologische Rundschau (dalam bahasa Jerman). 38 (1): 40–59. doi:10.1007/BF01766571. ISSN0016-7835.
Castelli, Roberto; Cremaschi, Mauro; Gatto, Maria Carmela; Liverani, Mario; Mori, Lucia (25 October 2005). "A Preliminary Report of Excavations in Fewet, Libyan Sahara"". Journal of African Archaeology (dalam bahasa Inggris). 3 (1): 81. doi:10.3213/1612-1651-10038. ISSN2191-5784.
Knctsch 1950, hlm. 50. Knctsch, Georg (1 March 1950). "Beobachtungen in der libyschen Sahara". Geologische Rundschau (dalam bahasa Jerman). 38 (1): 40–59. doi:10.1007/BF01766571. ISSN0016-7835.
Klitzsch 1968, hlm. 587. Klitzsch, Eberhard (1 February 1968). "Der Basaltvulkanismus des Djebel Haroudj Ostfezzan/Libyen". Geologische Rundschau (dalam bahasa Jerman). 57 (2): 585–601. doi:10.1007/BF01821263. ISSN0016-7835.
Richter 1951, hlm. 16. Richter, N. (1 July 1951). "Mondkraterformationen auf der Erde". Geofisica Pura e Applicata (dalam bahasa Jerman). 20 (1): 15–23. doi:10.1007/BF01996887. ISSN0367-4355.
Knctsch 1950, hlm. 49. Knctsch, Georg (1 March 1950). "Beobachtungen in der libyschen Sahara". Geologische Rundschau (dalam bahasa Jerman). 38 (1): 40–59. doi:10.1007/BF01766571. ISSN0016-7835.
Castelli, Roberto; Cremaschi, Mauro; Gatto, Maria Carmela; Liverani, Mario; Mori, Lucia (25 October 2005). "A Preliminary Report of Excavations in Fewet, Libyan Sahara"". Journal of African Archaeology (dalam bahasa Inggris). 3 (1): 81. doi:10.3213/1612-1651-10038. ISSN2191-5784.
Knctsch 1950, hlm. 50. Knctsch, Georg (1 March 1950). "Beobachtungen in der libyschen Sahara". Geologische Rundschau (dalam bahasa Jerman). 38 (1): 40–59. doi:10.1007/BF01766571. ISSN0016-7835.
Klitzsch 1968, hlm. 587. Klitzsch, Eberhard (1 February 1968). "Der Basaltvulkanismus des Djebel Haroudj Ostfezzan/Libyen". Geologische Rundschau (dalam bahasa Jerman). 57 (2): 585–601. doi:10.1007/BF01821263. ISSN0016-7835.