Practical and Theoretical Aspects of Geological Interpretation of Gravitational, Magnetic and Electric Fields Proceedings of the 45th Uspensky International Geophysical Seminar, Kazan, Russia - Nurgaliev, Danis; Nurgaliev, Danis; Khairullina, Natalia; Khairullina, Natalia (Springer International Publishing : Imprint: Springer, 2019)