1. Herrmann, F., Margenstern, M.: A universal cellular automaton in the hyperbolic plane. Theoretical Computer Science 296, 327–364 (2003)
2. Margenstern, M.: Cellular Automata and Combinatoric Tilings in Hyperbolic Spaces, a survey. In: Calude, C., Dinneen, M.J., Vajnovszki, V. (eds.): DMTCS 2003. LNCS, vol. 2731, pp. 48–72. Springer, Heidelberg (2003)
3. Margenstern, M.: Cellular Automata in Hyperbolic Spaces. In: Adamatzky, A. (ed.) Theory, Collection: Advances in Unconventional Computing and Cellular Automata, vol. 1, p. 422. Old City Publishing, Philadelphia (2007)
4. Margenstern, M.: Cellular Automata in Hyperbolic Spaces. In: Adamatzky, A. (ed.) Implementation and computations. Collection: Advances in Unconventional Computing and Cellular Automata, vol. 2, p. 360. Old City Publishing, Philadelphia (2008)
5. Margenstern, M.: Small Universal Cellular Automata in Hyperbolic Spaces: A Collection of Jewels, Collection: Emergence, Complexity and Computation. In: Zelinka, I., Adamtzky, A., Chen, G. (eds.) p. 331. Springer (2013), doi:
10.1007/978-3-642-36663-5