libration

[2001] Les danses spatiales de la Lune ; √Čric Bois ; Pour la Science 285 (jul 2001) p. 52 [lien]
[2011] The Selenographia of William Gilbert: His Pre-telescopic Map of the Moon and his Discovery of Lunar Libration ; Stephen Pumfrey ; Journal for the History of Astronomy 42 (2011) p. 193 [lien]
[2011] Libration of the Moon, Hevelius's Theory, and its Early Reception in England ; Jaroslaw Wlodarczyk ; Journal for the History of Astronomy 42 (2011) p. 495 [lien]