1. Orloff, R. W., Apollo by the Numbers: A Statistical Reference, U. S.Government PrintingOffice,Washington, 2000, pp.34, 36-37, 74-75,92-93,115-116,163,187,215,243.
2. "Apollo 10Press Kit,"NASARelease 69-68,May1969.
3. "Apollo 11Mission Report,"NASAMSC-00171, Nov.1969.
4. "Apollo 12 Mission Report,"NASAMSC-01855, March1970.