Monomial Orderings, Rewriting Systems, and Gröbner Bases for the Commutator Ideal of a Free Algebra. - Susan M. Hermiller; Xenia H. Kramer; Reinhard C. Laubenbacher (J. Symb. Comput., 1999)

Foundations of a Connectivity Theory for Simplicial Complexes. - Hélène Barcelo; Xenia H. Kramer; Reinhard C. Laubenbacher; Christopher Weaver 002 (Adv. Appl. Math., 2001)