D. Jäckle, F. Stoffel, S. Mittelstädt, D. Keim, and H. Reiterer. Proceedings of the Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP), 3, page 164-175. (2017)
C. Schätzle, and H. Booth. Proceedings of the International Workshop on Computational Approaches to Historical Language Change, page 126-135. Association for Computational Linguistics, (2019)