Trapezoid Graphs and Generalizations, Geometry and Algorithms.

Stefan Felsner Rudolf Müller Lorenz Wernisch Trapezoid Graphs and Generalizations, Geometry and Algorithms. 13-32 1997 74 Discrete Applied Mathematics 1 http://dx.doi.org/10.1016/S0166-218X(96)00013-3 db/journals/dam/dam74.html#FelsnerMW97