Lidia Stocker, Hans J. Herrmann. Periods in the Q2R, X2R and Kawasaki-Q2R Cellular Automata. In Andrew Adamatzky, editor, Automata and Complexity - Essays Presented to Eric Goles on the Occasion of His 70th Birthday. Volume 42 of pages 43-55, Springer, 2022. [doi]
Abstract is missing.