1. Arizona Department of Health Services, 2011. Heat Index Chart with Health Effects and Safety Recommendations.
2. Evaluation of Stresses of Exposure to Heat;Belding,1971
3. Comfort and humidity;Berglund;ASHRAE J.,1998
4. Hydrogeological control on carbon dioxide input into the atmosphere of the Chauvet-Pont d'Arc cave;Bourges;Sci. Total Environ.,2020
5. Clottes, J., 2012. Ritual cave use in european paleolithic caves. In: Moyes, H. (Ed.), Sacred Darkness. A Global Perspective on the Ritual Use of Caves). University Press of Colorado, Colorado, pp. 15–26.