1. Perfectly orderable graphs;Chvátal,1984
2. V. Chvátal, From a presentation at the February 1989 Workshop on Perfect Graphs, Bellairs Research Institute of McGill University.
3. Two-colourings that decompose perfect graphs;Chvátal;J. Combin Theory Ser. B,1990
4. Split graphs;Földes;Congr. Numer.,1977
5. Weakly triangulated graphs;Hayward;J. Combin. Theory Ser. B,1985