Plešinger, A., M. Hellweg, and D. Seidl. “Interactive High-Resolution Polarization Analysis of Broad-Band Seismograms”. Journal of Geophysics 59, no. 1 (February 27, 1986): 129-139. Accessed September 15, 2025. https://journal.geophysicsjournal.com/JofG/article/view/203.