syzygie

[1997] Computational Astronomy: Five Centuries of Finding True Syzygy ; J. Chabás ; B. R. Goldstein ; Journal for the History of Astronomy 28 (1997) p. 93 [lien]
[2001] John of Murs's "Tabulae permanentes" for finding true syzygies ; Beatriz Porres ; José Chabás ; Journal for the History of Astronomy 32 (2001) p. 63 [lien]
[2003] Wenzel Faber's Table for Finding True Syzygy ; Richard L. Kremer ; Centaurus 45 (2003) p. 305 [lien]