Reference

Leo W.S. De Graaff, Ángel Rodés, Raimon Pallàs Serra, Niels S. Anders, Harry Arie Christoffel Seijmonsbergen, G.G. Mat De Jong (2023): Be age datings of Late Würmian erratics from Vorarlberg (Austria) and southern Germany – Inatura Forschung online – 106: 1 - 6.