The following publications are possibly variants of this publication:
- Approximate Euclidean Shortest Paths in 3-SpaceJoonsoo Choi, Jürgen Sellen, Chee-Keng Yap. ijcga, 7(4):271-295, 1997.
- Precision-Sensitive Euclidean Shortest Path in 3-SpaceJürgen Sellen, Joonsoo Choi, Chee-Keng Yap. SICOMP, 29(5):1577-1595, 2000.
- Precision-Sensitive Euclidean Shortest Path in 3-Space (Extended Abstract)Joonsoo Choi, Jürgen Sellen, Chee-Keng Yap. compgeom 1995: 350-359 [doi]