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[1955] The Secular Increase in the Length of the Day ; Harold Spencer Jones ; Proceedings of the American Philosophical Society 99 (1955) p. 195 [lien]
[1968] Astronomical Measures of Time ; D. H. Sadler ; Quarterly Journal of the Royal Astronomical Society 9 (1968) p. 281 [lien]
[1984] Simple Formulae for Julian Day Numbers and Calendar Dates ; D. A. Hatcher ; Quarterly Journal of the Royal Astronomical Society 25 (1984) p. 53 [lien]
[1985] Generalized Equations for Julian Day Numbers and Calendar Dates ; D. A. Hatcher ; Quarterly Journal of the Royal Astronomical Society 26 (1985) p. 151 [lien]
[1990] The diagram of unequal hours ; Margarida Archinard ; Annals of Science 47 (1990) p. 173 [lien]
[1991] Hipparchus' Treatment of Early Greek Astronomy: The Case of Eudoxus and the Length of Daytime ; Alan C. Bowen ; Bernard R. Goldstein ; Proceedings of the American Philosophical Society 135 (1991) p. 233 [lien]
[2004] Historical values of the Earth's clock error $\Delta T$ and the calculation of eclipses ; L. V. Morrison ; F. R. Stephenson ; Journal for the History of Astronomy 35 (2004) p. 327 [lien]
[2005] Addendum: Historical values of the Earth's clock error ; L. V. Morrison ; F. R. Stephenson ; Journal for the History of Astronomy 36 (2005) p. 339 [lien]