ORLYUK, M.; SUMARUK, T.; SUMARUK, Y. P.; ROMENETS, A. A. Valuation of induction current contribution to the secular variation of geomagnetic field (according to the data of Ukrainian geomagnetic observatories). Geofizicheskiy Zhurnal, [S. l.], v. 36, n. 2, p. 111–119, 2014. DOI: 10.24028/gzh.0203-3100.v36i2.2014.116124. Disponível em: http://journals.uran.ua/geofizicheskiy/article/view/116124. Acesso em: 27 jan. 2023.