The following publications are possibly variants of this publication:
- Two-Dimensional Alternating Turing Machines with Only Universal StatesAkira Ito, Katsushi Inoue, Itsuo Takanami, Hiroshi Taniguchi. iandc, 55(1-3):193-221, October/November/December 1982.
- Three-Dimensional Alternating Turing Machines with Only Universal StatesMakoto Sakamoto, Katsushi Inoue. isci, 95(3):155-190, 1996.
- Alternating On-Line Turing Machines with Only Universal States and Small Space BoundsKatsushi Inoue, Itsuo Takanami, Roland Vollmar. TCS, 41:331-339, 1985.
- Sublogarithmically Space-Bounded Alternating One-Pebble Turing Machines with only Universal StatesKatsushi Inoue, Akira Ito, Atsuyuki Inoue. BIRTHDAY 2007: 160-175
- Sublogarithmic Space-Bounded Multi-Inkdot Alternating Turing Machines with Only Existential (Universal) StatesTsunehiro Yoshinaga, Jianliang Xu, Katsushi Inoue. ieicet, 89-A(5):1417-1420, 2006. [doi]
- Two-Dimensional Alternating Turing MachinesKatsushi Inoue, Itsuo Takanami, Hiroshi Taniguchi. TCS, 27:61-83, 1983.
- Two-Dimensional Alternating Turing MachinesKatsushi Inoue, Itsuo Takanami, Hiroshi Taniguchi. stoc 1982: 37-46
- A Leaf-Size Hierarchy of Two-Dimensional Alternating Turing MachinesKatsushi Inoue, Itsuo Takanami, Juraj Hromkovic. TCS, 67(1):99-110, 1989.
- Constant Leaf-Size Hierarchy of Two-Dimensional Alternating Turing MachinesAkira Ito, Katsushi Inoue, Itsuo Takanami. icpia 1992: 144-158
- Constant Leaf-Size Hierarchy of Two-Dimensional Alternating Turing MachinesAkira Ito, Katsushi Inoue, Itsuo Takanami, Yasuyoshi Inagaki. ijprai, 8(2):509-524, 1994.
- Non-closure property of space-bounded two-dimensional alternating Turing machinesTokio Okazaki, Atsuyuki Inoue, Katsushi Inoue, Akira Ito, Yue Wang. isci, 146(1-4):151-170, 2002. [doi]