The following publications are possibly variants of this publication:
- Classification and Universality of Reversible Logic Elements with One-Bit MemoryKenichi Morita, Tsuyoshi Ogiro, Keiji Tanaka, Hiroko Kato. mcu 2005: 245-256 [doi]
- Simple Universal Reversible Cellular Automata in Which Reversible Logic Elements Can Be EmbeddedKenichi Morita, Tsuyoshi Ogiro. ieicet, 87-D(3):650-656, 2004. [doi]
- Non-degenerate 2-State Reversible Logic Elements with Three or More Symbols Are All UniversalKenichi Morita, Tsuyoshi Ogiro, Artiom Alhazov. mvl, 18(1):37-54, 2012. [doi]
- A New Universal Logic Element for Reversible ComputingKenichi Morita. BIRTHDAY 2003: 285-294
- A Simple Universal Logic Element and Cellular Automata for Reversible ComputingKenichi Morita. mcu 2001: 102-113 [doi]
- Nondegenerate 2-State 3-Symbol Reversible Logic Elements Are All UniversalTsuyoshi Ogiro, Atsushi Kanno, Keiji Tanaka, Hiroko Kato, Kenichi Morita. ijuc, 1(1):47-67, 2004.
- Realizing Reversible Logic Elements with Memory in the Billiard Ball ModelYuta Mukai, Kenichi Morita. ijuc, 8(1):47-59, 2012. [doi]
- Universality of 2-State 3-Symbol Reversible Logic Elements - A Direct Simulation Method of a Rotary ElementTsuyoshi Ogiro, Artiom Alhazov, Tsuyoshi Tanizawa, Kenichi Morita. iwnc 2010: 252-259 [doi]