Ladanivskiy, B. T., V. Yu. Semenov, and I. M. Logvinov. “Methods of Magneto-Variation Sounding of the Earth’s Mantle Within the Range of Periods 10 4 -10 5 S”. Geofizicheskiy Zhurnal 32, no. 3 (June 1, 2010): 50–59. Accessed April 27, 2024. https://journals.uran.ua/geofizicheskiy/article/view/117533.