Bonjer, K.-P., C. Gelbke, B. Gilg, D. Rouland, D. Mayer-Rosa, and B. Massinon. “Seismicity and Dynamics of the Upper Rhinegraben”. Journal of Geophysics, Vol. 55, no. 1, Aug. 1984, pp. 1-12, https://journal.geophysicsjournal.com/JofG/article/view/81.