Water on The Moon, II. Origins & Resources
  In Part I we recount the history of observation and laboratory measurement culminating with the excavation of water from a permanently shadowed region near the lunar South Pole by the impact of the LCROSS mission in 2009. In this installment we consider what the current data imply about the nature of water and other volatile substances on and in the Moon. 
Arlin Crotts (Columbia University)
astro-ph.EP