Beyer, M., Niedner-Schatteburg, G., Bondybey, V. E., & Savchenko, E. V. (1999). Diffusion of hydrogen in rare gas solids: neutral H atoms and H+ protons. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, 25(10), 1087–1091. https://doi.org/10.1063/1.593823