A visibility representation for graphs in three dimensions.
Bose, Prosenjit; Everett, Hazel; Fekete, Sándor P.; Houle, Michael E.; Lubiw, Anna; Meijer, Henk; Romanik, Kathleen; Rote, Günter; Shermer, Thomas C.; Whitesides, Sue; Zelle, Christian — 1998
Journal of Graph Algorithms and Applications