1. Partially ordered sets and their comparability graphs, their dimension and their adjacency;Arditti;Problèmes Combinatoires et Théorie des Graphes,1965
2. The decomposition of switching functions;Ashenhurst,1959
3. Graph substitution and set packing polytopes;Balas;Networks,1977
4. On the composition and decomposition of clutters;Billera;J. Combin. Theory,1971