1. Shneerson, M.B., Teoriya i praktika nevzryvnoi saismorazvedki (Theory and Practice of Non-Explosive Seismic Exploration Works), Moscow: Nedra, 1998.
2. Seismic exploration work, Production of pulse sources. http://gseis.ru/our-business/field-seismic-works/impulse-technique/. Accessed October 13, 2017.
3. Geoton: operating principle, Schematic diagram no. 1. http://geoton.ru/l/geoton?node=principial_al_naya_s. Accessed October 13, 2017.
4. Ivashin, V.V. and Pevchev, V.P., RF Patent 2172496, Byull. Izobret., 2001, no. 23.
5. Pevchev, V.P., Specific system of pulsed power supply of an electromagnetic engine as a source of seismic waves, Vestn. Kazan. Gos. Tekh. Univ., 2009, no. 3.