├ętoile polaire

[1978] Fundamental Astrometry and the Definition of the Pole ; C. A. Murray ; Quarterly Journal of the Royal Astronomical Society 19 (1978) p. 187 [lien]
[1979] Flamsteed's Alleged Measurement of Annual Parallax for the Pole Star ; M. E. W. Williams ; Journal for the History of Astronomy 10 (1979) p. 102 [lien]