Col Reference--- ---------
R1 Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17, 347 (pe)
R2 Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17, 347 (pg)
R3 Mathews R.T. 1963, Publ. Goodsell Obs. no 14
R4 Zug R.S. 1933, Lick Obs. Bull. 16, 119
R5 Fenkart R.P., Schroder A. 1985, Astron. Astrophys. Suppl. 59, 83
R6 Sagar R., Griffiths W.K. 1991, Mon. Not. R. Astr. Soc. 250, 683
R7 Barbon R., Hassan S.M. 1996, Astron. Astrophys. Suppl. 115, 325
R8 Paunzen E., et al. 2005, Astron. Astrophys. 443, 157
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