Zvolsky, S. T., A. Yu. Ketov, V. V. Kulik, S. I. Deineko, S.A. Ivashchenko, O.V. Kamilova, and Z.N. Evstekhevich. “Borehole Nuclear Geophysical Studies of Near-Surface Rocks. 1”. Geofizicheskiy Zhurnal 32, no. 6 (December 1, 2010): 215–230. Accessed July 18, 2024. https://journals.uran.ua/geofizicheskiy/article/view/117465.