YAKIMCHIK, A. I. On the revision of restrictions on obtaining primary material for the development of gravimetry and magnetometry in Ukraine. Geofizicheskiy Zhurnal, [S. l.], v. 32, n. 2, p. 131–135, 2010. DOI: 10.24028/gzh.0203-3100.v32i2.2010.117562. Disponível em: https://journals.uran.ua/geofizicheskiy/article/view/117562. Acesso em: 29 mar. 2024.