Rusakov, O.M. “A Global Inventory of Concentration Measurements of Free and Dissolved in Underground Waters Molecular Hydrogen in the Earth’s Crust on Land”. Geofizičeskij žurnal 42, no. 6 (December 24, 2020): 59–99. Accessed June 19, 2024. https://journals.uran.ua/geofizicheskiy/article/view/222284.