Enumerating Markov Equivalence Classes of Acyclic Digraph Models. - Steven B. Gillispie; Michael D. Perlman (UAI, 2001)

The size distribution for Markov equivalence classes of acyclic digraph models. - Steven B. Gillispie; Michael D. Perlman (Artif. Intell., 2002)

The {4, 5} Isogonal Sponges on the Cubic Lattice. - Steven B. Gillispie; Branko Grünbaum (Electron. J. Comb., 2009)