ORLICKÝ, O., E. FOTTOVÁ, M. RUTKAY, and J. TIRPÁK. “Archaeomagnetic Dating of the Fortification of the Veľká Morava Period in Majcichov”. Contributions to Geophysics and Geodesy, Vol. 36, May 2021, pp. 109-14, https://journal.geo.sav.sk/cgg/article/view/351.