1. Passive gravity gradiometer navigation system;Affleck,1990
2. Estimation with applications to tracking and navigation: Theory, algorithms, and software;Bar-Shalom,2001
3. Launch window and translunar, lunar orbit, and transearth trajectory planning and control for the Apollo 11 lunar landing mission;Berry,1970
4. Latest Moon gravity field solutions from GRAIL data using the celestial mechanics approach;Bertone,2016
5. Optical navigation system for pin-point lunar landing;Bilodeau,2014