T. Becker, L. Weller, L. Gaddis, D. Cook, B. Archinal, M. Rosiek, C. Isbell, T. Hare e R. Kirk, Lunar Orbiter Mosaic of the Moon (PDF), su lpi.usra.edu, Lunar and Planetary Science XXXIX. URL consultato l'8 novembre 2019.
L. Weller, T. Becker, B. Archinal, A. Bennett, D. Cook, L. Gaddis, D. Galuszka, R. Kirk, B. Redding e D. Soltesz, USGS Lunar Orbiter Digitization Project: Updates and Status (PDF), su lpi.usra.edu, Lunar and Planetary Science XXXVIII. URL consultato l'8 novembre 2019.