1. Lunar Sourcebook a user's guide to the moon edited by Grant Heiken David Vaniman and Bevan French Lunar Planetary Institute
2. Data obtained from Tony Colaprete Principle Investigator for the Lunar Crater Observation & Sensing Satellite (LCROSS) mission.
3. Julie Kleinhenz Zengguang Yuan John Caruso and Kurt Sacksteder "Development of a Reactor for the Extraction of Oxygen and Volatiles from Lunar Regolith" 47th AIAA Aerospace Sciences Meeting Orlando FL Jan. 2009.
4. William Larson Martin Picard Gerald Sanders Anthony Colaprete and Richard Elphic "RESOLVE: Ground Truth for Polar Lunar Volatiles as a Resource" 62nd International Astronautical Congress Cape Town SA Oct. 2011.
5. Larry Clark "Precursor In-Situ Lunar Oxygen Testbed (PILOT) Hawaii Field Testing Nov 2008" Panel Presentation AIAA Space 2009 Pasadena CA. Sept. 2009