Levashov, S. P., N. A. Yakymchuk, and I. N. Korchagin. “Innovative Geoelectric Methods: Multi-Year Experience of Application for the Practical Problems of Near-Surface Geophysics Operative Solution”. Geofizicheskiy Zhurnal 40, no. 3 (July 25, 2018): 97–128. Accessed September 30, 2022. http://journals.uran.ua/geofizicheskiy/article/view/137179.