Gordon, Claire (June 1993). "Unstabilised Earth-Brick Vaults and Domes in the Sahel". Development in Practice. 3 (2): 127–32. doi:10.1080/096145249100077151. JSTOR4028958.
Anthelme, F., R. Michalet, and M. Saadou (February 2007). "Positive associations involving the tussock grass Panicum turgidum Forssk. in the Aïr-Ténéré Reserve, Niger". Journal of Arid Environments. 68 (3): 348–62. Bibcode:2007JArEn..68..348A. doi:10.1016/j.jaridenv.2006.07.007.{{cite journal}}: CS1 maint: multiple names: authors list (link)
harvard.edu
ui.adsabs.harvard.edu
Anthelme, F., R. Michalet, and M. Saadou (February 2007). "Positive associations involving the tussock grass Panicum turgidum Forssk. in the Aïr-Ténéré Reserve, Niger". Journal of Arid Environments. 68 (3): 348–62. Bibcode:2007JArEn..68..348A. doi:10.1016/j.jaridenv.2006.07.007.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Gordon, Claire (June 1993). "Unstabilised Earth-Brick Vaults and Domes in the Sahel". Development in Practice. 3 (2): 127–32. doi:10.1080/096145249100077151. JSTOR4028958.