Parameter Inequalities for Orthogonal Arrays with Mixed Levels. - Wiebke S. Diestelkamp (Des. Codes Cryptogr., 2004)

Determining properties of a multipartite tournament from its lattice of convex subsets. - Atif A. Abueida; Wiebke S. Diestelkamp; Stephanie P. Edwards; Darren B. Parker (Australas. J Comb., 2005)