The following publications are possibly variants of this publication:
- Embedding a Logically Universal Model and a Self-Reproducing Model into Number-Conserving Cellular AutomataKatsunobu Imai, Kenji Fujita, Chuzo Iwamoto, Kenichi Morita. umc 2002: 164-175 [doi]
- The Weak Universality of Two-Dimensional Five-State von Neumann Neighborhood Number-Conserving Cellular AutomatonHisamichi Ishizaka, GilTak Kong, Katsunobu Imai. ngc, 40(2):541-551, 2022. [doi]
- On Universality of Radius 1/2 Number-Conserving Cellular AutomataKatsunobu Imai, Artiom Alhazov. uc 2010: 45-55 [doi]
- Number-Conserving Reversible Cellular Automata and Their Computation-UniversalityKenichi Morita, Katsunobu Imai. ita, 35(3):239-258, 2001. [doi]