Examples of this usage are seen in: Simon et al. 1994, pp. 663–683 Simon, J. L.; Bretagnon, P.; Chapront, J.; Chapront-Touze, M.; Francou, G.; Laskar, J (1994). "Numerical expressions for precession formulae and mean elements for the Moon and the planets". Astronomy and Astrophysics. 282: 663–683. Bibcode:1994A&A...282..663S.
Aoki et al. 1983, pp. 263–267. Aoki, S.; Soma, M.; Kinoshita, H.; Inoue, K. (December 1983). "Conversion matrix of epoch B 1950.0 FK 4-based positions of stars to epoch J 2000.0 positions in accordance with the new IAU resolutions". Astronomy and Astrophysics. 128 (3): 263–267. Bibcode:1983A&A...128..263A. ISSN0004-6361.
Aoki et al. 1983, pp. 263–267. Aoki, S.; Soma, M.; Kinoshita, H.; Inoue, K. (December 1983). "Conversion matrix of epoch B 1950.0 FK 4-based positions of stars to epoch J 2000.0 positions in accordance with the new IAU resolutions". Astronomy and Astrophysics. 128 (3): 263–267. Bibcode:1983A&A...128..263A. ISSN0004-6361.