Scherbaum, F., and J. Wendler. “Cross Spectral Analysis of Swabian Jura (SW Germany) Three-Component Microearthquake Recordings”. Journal of Geophysics 60, no. 1 (October 30, 1986): 157-166. Accessed November 3, 2025. https://journal.geophysicsjournal.com/JofG/article/view/213.