(en) G. Randall Gladstone, Kurt D. Retherford et al., « Far‐ultraviolet reflectance properties of the Moon's permanently shadowed regions », Journal of Geophysical Research: Planets, vol. 117,, no E12, , p. 1475-1476 (DOI10.1029/2011JE003913, lire en ligne)
(en) G. Randall Gladstone, Kurt D. Retherford et al., « Far‐ultraviolet reflectance properties of the Moon's permanently shadowed regions », Journal of Geophysical Research: Planets, vol. 117,, no E12, , p. 1475-1476 (DOI10.1029/2011JE003913, lire en ligne)