Wojas, Anna, and Teresa Grabowska. “Relative Secular Variations of the Earth’s Magnetic Field in the Years 1966–2016 Along the Profile across the Main Tectonic Units of Poland (Zgorzelec-Wiżajny Profile)”. Geology, Geophysics and Environment 45, no. 3 (November 22, 2019): 183. Accessed December 11, 2024. https://ggae.agh.edu.pl/index.php/geol/article/view/3229.