The following publications are possibly variants of this publication:
- An Incremental Algorithm for Constructing Shortest Watchman RoutesXuehou Tan, Tomio Hirata, Yasuyoshi Inagaki. sersc-isa 1991: 163-175
- Corrigendum to An Incremental Algorithm for Constructing Shortest Watchman Routes Xuehou Tan, Tomio Hirata, Yasuyoshi Inagaki. ijcga, 9(3):319-323, 1999.
- Constructing Shortest Watchman Routes by Divide-and-ConquerXuehou Tan, Tomio Hirata. isaac 1993: 68-77
- An improved algorithm for computing a shortest watchman route for linesXuehou Tan, Bo Jiang. ipl, 131:51-54, 2018. [doi]