SOKOLOVA, O.; MUKASHEVA, S. THE METHODS FOR CALCULATION OF DECLINATION (D) FOR SPACED OF MAGNETIC OBSERVATORIES. Известия НАН РК. Серия физико-математическая, [S. l.], n. 3, p. 142–150, 2020. Disponível em: https://journals.nauka-nanrk.kz/physics-mathematics/article/view/478. Acesso em: 3 май. 2024.