André Barbé Fritz von Haeseler The Pascal matroid as a home for generating sets of cellular automata configurations defined by quasigroups. 171-214 2004 325 Theor. Comput. Sci. 2 http://dx.doi.org/10.1016/j.tcs.2004.06.006 db/journals/tcs/tcs325.html#BarbeH04