The following publications are possibly variants of this publication:
- Stereo vision based navigation for Sun-synchronous explorationChris Urmson, M. Bernardine Dias, Reid G. Simmons. iros 2002: 805-810 [doi]
- Mission Planning for the Sun-Synchronous Navigation Field ExperimentPaul Tompkins, Anthony Stentz, William Whittaker. icra 2002: 3493-3500
- Strategic Autonomy for Reducing Risk of Sun-Synchronous Lunar Polar ExplorationNathan D. Otten, David Wettergreen, William Whittaker. fsr 2018: 465-479 [doi]
- Sun-Synchronous Robotic Exploration: Technical Description and Field ExperimentationDavid Wettergreen, Paul Tompkins, Chris Urmson, Michael D. Wagner, William Whittaker. ijrr, 24(1):3-30, 2005. [doi]