Pisanski, Tomaž; Randić, Milan (2000), Bridges between geometry and graph theory, у Gorini, Catherine A. (ред.), Geometry at work, MAA Notes, т. 53, Washington, DC: Math. Assoc. America, с. 174—194, MR1782654. See in particular Theorem 3, p. 176 [Архівовано 20 лютого 2017 у Wayback Machine.].
Pisanski, Tomaž; Randić, Milan (2000), Bridges between geometry and graph theory, у Gorini, Catherine A. (ред.), Geometry at work, MAA Notes, т. 53, Washington, DC: Math. Assoc. America, с. 174—194, MR1782654. See in particular Theorem 3, p. 176 [Архівовано 20 лютого 2017 у Wayback Machine.].
Seidel, Raimund (1986), Constructing higher-dimensional convex hulls at logarithmic cost per face, Proceedings of the Eighteenth Annual ACM Symposium on Theory of Computing (STOC '86), с. 404—413, doi:10.1145/12130.12172.
Pisanski, Tomaž; Randić, Milan (2000), Bridges between geometry and graph theory, у Gorini, Catherine A. (ред.), Geometry at work, MAA Notes, т. 53, Washington, DC: Math. Assoc. America, с. 174—194, MR1782654. See in particular Theorem 3, p. 176 [Архівовано 20 лютого 2017 у Wayback Machine.].