1. S. V. Polyakov, B. I. Reznikov, Yu. V. Shlyugaev, and E. A. Kopytenko, “The first experience of spatial discrimination of large-scale natural extremely low frequency interference by the example of two-point measurements of the magnetic field from an artificial ionospheric source,” Izv. Vyssh. Uchebn. Zaved. Radiofi zika, 49, No. 12, 1030–1042 (2006).
2. S. V. Polyakov, B. I. Reznikov, A. V. Shchennikov, et al., “A line of magnetic field induction sensors for geophysical research,” Seysm. Pribory, 52, No. 1, 5–27 (2016).
3. E. V. Burmistrov, Gradientometer Based on High-Temperature Superconductor of SQUIDs for Work in Unshielded Space: Ph.D. Thesis in Physics and Mathematics, Lomonosov Moscow State University, Moscow (2009).
4. O. L. Sokol-Kutylovsky, “Spectral distribution of geomagnetic noise in the low frequency range,” Ural. Geofi z. Vestnik, No. 3, 43–47 (2018), https://doi.org/10.25698/UGV.2018.3.7.43.
5. O. L. Sokol-Kutylovsky, “Magnetomodulation sensors based on amorphous ferromagnetic alloys,” Izmer. Tekhn., No. 2, 46–49 (2016).