[1]
M. Orlyuk, A. V. Romenets, P. V. Sumaruk, Y. P. Sumaruk, and T. P. Sumaruk, “The spatial-temporal structure of the magnetic field of Ukraine’s territory: assessment of the contribution of internal and external sources”, GJ, vol. 34, no. 3, pp. 137–144, Jun. 2012.