GraßhoffG., The history of Ptolemy's star catalogue (New York, 1990).
5.
See for example FoleyJ. D.van DamA.FeinerS.HughesJ., Computer graphics: Principles and practice, 2nd edn (Reading, MA, 1990), 230.
6.
Graßhoff, op. cit. (ref. 4), 224.
7.
See the notes in Toomer, op. cit. (ref. 3), 342 and PetersKnobel, op. cit. (ref. 2), 96.
8.
JaschekC., “A tape version of Ptolemy's star catalogue”, Bulletin d'information du CDS, no. 33 (1987), 145. Available at http://cdsweb.u-strasbg.fr/viz-bin/Cat?V/61. Derived from ManitiusK., op. cit. (ref. 1). The CDS has become the primary international repository for astronomical data catalogues. Jaschek was its director from 1974 to 1990.
9.
Toomer, op. cit. (ref. 3), p. xii.
10.
WagmanM., Lost stars (Blacksburg, VA, 2003), 168.
11.
GraßhoffG., personal correspondence. The error in the table was discovered before the book was published but too late to correct it.