The following publications are possibly variants of this publication:
- Constant Leaf-Size Hierarchy of Two-Dimensional Alternating Turing MachinesAkira Ito, Katsushi Inoue, Itsuo Takanami, Yasuyoshi Inagaki. ijprai, 8(2):509-524, 1994.
- A Leaf-Size Hierarchy of Two-Dimensional Alternating Turing MachinesKatsushi Inoue, Itsuo Takanami, Juraj Hromkovic. TCS, 67(1):99-110, 1989.
- A Leaf-Size Hierarchy of Alternating Rebound Turing MachinesLan Zhang, Katsushi Inoue, Akira Ito, Yue Wang. jalc, 7(3):395-410, 2002.
- 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 space-hierarchy result on two-dimensional alternating Turing machines with only universal statesKatsushi Inoue, Akira Ito, Itsuo Takanami, Hiroshi Taniguchi. isci, 35(1):79-90, 1985. [doi]
- Space Hierarchies of Two-Dimensional Alternating Turing Machines, Pushdown Automata and Counter AutomataTokio Okazaki, Katsushi Inoue, Akira Ito, Yue Wang. ijprai, 13(4):503-521, 1999.
- A note on three-way two-dimensional alternating Turing machinesAkira Ito, Katsushi Inoue, Itsuo Takanami. isci, 45(1):1-22, 1988. [doi]
- 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.
- 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]