«Library Item of the Month: Giovanni Riccioli's Almagestum novum». Royal Museums Greenwich (rmg.co.uk), 19 setembre 2016. [Consulta: 19 juliol 2020]. «Riccioli and Grimaldi's maps were not the first of the Moon. In 1645 Michael Van Langren published what is acknowledged as the first map of the Moon, introducing a scheme of names for its features, setting it apart from earlier unlabelled drawings of the Moon. Two years later, in 1647, Johannes Hevelius published maps of the Moon in his work Selenographia.»
skyandtelescope.org
Wood, Charles A. «Lunar Hall of Fame». Sky & Telescope (skyandtelescope.org), 27-12-2017. [Consulta: 27 juliol 2020].
thefreedictionary.com
Dictionary of Military and Associated Terms. «selenodesy» (Selenodesy is "that branch of applied mathematics that determines, by observation and measurement, the exact positions of points and the figures and areas of large portions of the moon's surface, or the shape and size of the moon".). US Department of Defense and The free dictionary (online), 2005. [Consulta: 20 juny 2010].
