1. Eremenko NM (1969) Sheki-Ekh-Kyekh sulfur cave in Checheno-Ingushetia. North Caucasus. Stavr. state ped. in-t, Stavropol, pp 79–86
2. Egemeier SJ (1981) Cavern development by thermal waters: national speleological society. Bulletin 43(2):31–51
3. Chervyatsova OY, Potapov SS, Kuzmina LY, Dublyansky YV, Sadykov SA, Kiseleva DV, Okuneva TG, Dzhabrailov SE, Samokhin GV (2020) Sulfuric acid speleogenesis in the North Caucasus: Sharo-Argun valley caves (Chechen Republic, Russia). Geomorphology 369:107346. https://doi.org/10.1016/j.geomorph.2020.107346
4. Hill CA (1987) Geology of Carlsbad cavern and other caves in the Guadalupe Mountains, New Mexico and Texas. New Mex Mineral Resour Me 117:1–150
5. Forti P, Mocchiutti A (2004) Le condizioni ambientali che permettono l’evoluzione di speleotemi di zolfo in cavità ipogeniche: nuovi dati dalle grotte di Capo Palinuro (Salerno, Italia). Le Grotte d’Italia 4(5):39–48