Kadzialko-Hofmokl, M., J. Kruczyk, and M. Westphal. 1987. “Paleomagnetism of Jurassic Sediments from the Western Border of the Rheingraben, Alsace (France)”. Journal of Geophysics 62 (1), 102-8. https://journal.geophysicsjournal.com/JofG/article/view/122.