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 [doi]