Pustovoytov, Konstantin, and Birgit Terhorst. “An Isotopic Study of a Late Quaternary Loess-Paleosol Sequence in SW Germany”. Revista Mexicana De Ciencias Geológicas, vol. 21, no. 1, May 2018, pp. 83-93, https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/905.