Secular variation on the territory of the Czech Republic and reduction of the magnetic survey to the epoch 2010.5

HEJDA, P., HORÁČEK, J., BAYER, T. Secular variation on the territory of the Czech Republic and reduction of the magnetic survey to the epoch 2010.5. Annals of Geophysics. 2012, 55(6), 1095-1099. ISSN 1593-5213. E-ISSN 2037-416X. Dostupné z: doi: 10.4401/ag-5445