1. Launch window and translunar, lunar orbit, and transearth trajectoryplanning and control for the Apollo 11 lunar landing mission
2. OrloffR. W., Apollo by the Numbers: A Statistical Reference, U.S. Government Printing Office, Washington, 2000, pp. 34, 36–37, 74–75,92–93, 115–116, 163, 187, 215, 243.
3. Mission Evaluation Team, “Apollo 10 Press Kit,” NASA Release 69-68, May 1969.
4. Mission Evaluation Team, “Apollo 11 Mission Report,” NASA MSC-00171, Nov. 1969.
5. Discussion of several problem areas during the Apollo 13 operation