1. The Rank of a Family of Sets and Some Applications to Graph Theory;Berge,1969
2. Families of Sets with Faithful Graph Representations;Gilmore,1962
3. A Partial Characterization of Clique Graphs;Hamelink;J. Combinatorial Theory,1968
4. Démonstration nouvelle d'une théorème de Whitney sur les réseaux;Krausz;Mat. Fiz. Lapok,1943