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Aoki, S.; Soma, M.; Kinoshita, H.; Inoue, K. 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 (англ.) // Astronomy and Astrophysics : journal. — 1983. — December (vol. 128, no. 3). — P. 263—267. — ISSN0004-6361. — Bibcode: 1983A&A...128..263A.
Aoki, S.; Soma, M.; Kinoshita, H.; Inoue, K. 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 (англ.) // Astronomy and Astrophysics : journal. — 1983. — December (vol. 128, no. 3). — P. 263—267. — ISSN0004-6361. — Bibcode: 1983A&A...128..263A.