1. An Indroduction to Convex Polytopes;Brøndsted,1983
2. Etude combinatoire des ordonn6s finis: applications, Thesis;Bouchet,1971
3. La dimension Ferrers des graphes orientés, Thesis;Cogis,1980
4. On realizable biorders and the biorder dimension of a relation;Doignon;J. Math. Psychol.,1984
5. Dimension theory for ordered sets;Kelly,1982