Making of the Pope: 2005. Brown, Little. ISBN 0-316-86149-9. TODAY, Eric J. Lyman, Special for USA. Vatican summons cardinals for conclave. USA TODAY. [2022-10-19]
Lunar Radiometer Experiment. UCLA. [2008-07-15]. (原始内容存档于2008-07-23). The Lyman-Alpha Mapping Project : Seeing in the Dark. Southwest Research Institute