1. Yu. A. Solov’ev, Satellite Navigation and Its Applications (Eko-Trendz, Moscow, 2003) [in Russian].
2. V. S. Zakharov and D. A. Simonov, Vestn. Mosk. Univ., Ser. 4. Geol., Moscow Univ. Geol. Bull., No. 3, 25–33 (2010).
3. V. K. Milyukov, V. N. Drobyshev, A. P. Mironov, G. M. Steblov, and Kh. M. Khubaev, Vestn. Vladikavk. Nauchn. Tsentra Ross. Akad. Nauk 14 (4), 2–11 (2014).
4. K. M. Larson, P. Boden, and J. Gomberg, Science 300, 1421–1424 (2003).
5. N. Houlie, G. Occhipinti, T. Blanchard, N. Shapiro, P. Lognonne, and M. Murakami, Sci. Rep. 1, 44 (2011). [PubMed]https://doi.org/10.1038/srep00044