1. Simplicial geometry and transportation polytopes;Bolker;Trans. Amer. Math. Soc.,1976
2. Uniquely representable combinatorial geometries;Brylawski,1976
3. Sur les geómétries simpliciales;Cordovil;C.R. Acad. Sci. Paris Ser. A,1978
4. Géomértries simpliciales unimodulaires;Cordovil;Discrete Math,1979
5. On the foundations of combinatorial theory;Crapo,1970