1. B. Andrásfai, “On critical graphs,” Theory of Graphs, International Symposium Rome 1966, Paris, New York, 1967, 9–19.
2. “Every planar graph with nine points has a nonplanar complement,”;Battle;Bull. Amer. Math. Soc.,1964
3. “Additivity of the genus of a graph,”;Battle;Bull. Am. Math. Soc.,1962
4. “Complete bipartite graphs: Decomposition into planar subgraphs,”;Beineke,1967
5. “Note on t-minimal complete bipartite graphs,”;Bouwer;Canad. Math. Bull.,1968