
Up: Optical positions and
References
- Bien R., Fricke W., Lederle T., Schwan H., 1978,
Veröffentlichungen ARI Heidelberg, No. 29
- Carlsberg Meridian Catalogue La Palma, No. 4, 1989, Copenh.
Univ. Obs., R. Greenwich Obs., R. Inst. Obs. Armada en San
Fernando
- Lu P.Z., Xu T.Q., 1996a, Ann. Shanghai Obs.
Acad. Sin. 17
- Lu P.Z., Xu T.Q., 1996b, A&AS 115, 311
NASA ADS
- Röser S., Rastian U., 1989, PPM star Catalogue, ARI
Heidelberg
- Xu T.Q., Lu P.Z., Wang S.H., Chu Z.Y., 1990, Acta
Astron. Sin. 31, 267
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