1. A. Björner, Topological methods, in: R. Graham, M. Grötschel, L. Lovász (Eds.), Handbook of Combinatorics, North-Holland, Amsterdam, 1995, pp. 1819–1872.
2. A. Björner, M. Wachs, Shellable nonpure complexes and posets. I, II, Trans. Amer. Math. Soc. 348 (1996) 1299–1327, 349 (1997) 3945–3975.
3. On discrete Morse functions and combinatorial decompositions;Chari;Discrete Math.,2000
4. A simple way to tell a simple polytope from its graph;Kalai;J. Combin. Theory Ser. B,1988
5. Signable posets and partitionable simplicial complexes;Kleinschmidt;Discrete Comput. Geom.,1996