D. Dürrschnabel, and G. Stumme. (2021)cite arxiv:2102.02684Comment: 16 pages, 6 figures, 4 algorithms, for source code refer to https://github.com/domduerr/redraw.
T. Hanika, F. Schneider, and G. Stumme. Accepted for publication in: Tohoku Mathematical Journal (2020)cite arxiv:1801.07985Comment: v2: completely rewritten 28 pages, 3 figures, 2 tables.