VALACH, Fridrich, Magdaléna VÁCZYOVÁ, Peter DOLINSKÝ, and Melinda VAJKAI. “Substitution for Lost One-Hour Means of the Geomagnetic Elements for the First Half of the 20-Th Century at the Hurbanovo Geomagnetic Observatory by Means of Neural Networks”. Contributions to Geophysics and Geodesy 43, no. 2 (June 30, 2013): 125-140. Accessed May 14, 2024. https://journal.geo.sav.sk/cgg/article/view/90.