A non-uniqueness theorem in the theory of Voronoi sets. Jones, M. (1991) International Journal of Mathematics and Mathematical Sciences
Counting d -polytopes with d + 3 vertices. Fusy, Éric (2006) The Electronic Journal of Combinatorics [electronic only]
Counting simplexes in ℝ 3 . Laflamme, Claude, Szalkai, István (1998) The Electronic Journal of Combinatorics [electronic only]
On the monotone upper bound problem. Pfeifle, Julian, Ziegler, Günter M. (2004) Experimental Mathematics
The largest intersection lattice of a discriminantal arrangement. Athanasiadis, Christos A. (1999) Beiträge zur Algebra und Geometrie
Topological Representation of Dual Pairs of Oriented Matroids. G.M. Ziegler, J. Richter-Gebert (1993) Discrete & computational geometry