1. L. V. Grunskaya, V. V. Isakevich, and D. V. Isakevich, “Anomalous behavior of the terrestrial electric field intensity at multiple frequencies of relativistic binary star systems,” Grav. Cosmol. 24, 384 (2018).
2. V. V. Isakevich, D. V. Isakevich, and L. V. Grunskaya, Identification of Noncorrelated Components of the Earth Electric Field at Relativistic Binary Star Systems Frequencies (Pero Publishing, Moscow, 2021).
3. L. V. Grunskaya, V. V. Isakevich, and D. V. Isakevich, Eigenoscopy of Multi-Year Time Series of Electromagnetic Field in the Near-Ground Earth Atmosphere and Infralow Frequency Scale at the Frequencies of Binary Star Systems (Pero Publishing, Moscow, 2016).
4. V. V. Isakevich, D. V. Isakevich, and L. V. Grunskaya, The Signal Eigenvectors’ and Components’ Analyzer (Patent for utility model No. RU116242U1, 2011).
5. V. V. Isakevich and D. V.Isakevich, Signal Eigenvectors’ and Components’ Spectrum Analyzer (Patent for utility model No. RU178399U1, 2017).