1. I. M. Morozova and G. Sh. Ashkinadze, Migration of Atoms of Rare Gases in Minerals (Nauka, Leningrad, 1961) [in Russian].
2. I. N. Bekman and A. A. Shvyryaev, “Experimental methods of study of radioactive gas diffusion in solids. 10. Phenomenological theory of the method of radioactive gas marks,” Radiokhimiya 29, 384–392 (1987).
3. G. S. Anufriev, “Hopping diffusion of helium isotopes from samples of lunar soil,” Fiz. Tverd. Tela 52(10), 2058–2062 (2010).
4. M. Ozima and Y. Takigami, “Activation energy for thermal release of Ar from some DSDP submarine rocks,” Geochim. Cosmochim. Acta 44, 141–144 (1980).
5. G. S. Anufriev and E. M. Galimov, “The Ioss of helium by lunar regolith,” Dokl. Earth Sci. 421(5), 804–806 (2008).