Col Reference--- ---------
R1 Funfschilling H. 1967, Z. Astrophys. 66, 440
R2 Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17, 347 (pe)
R3 Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17, 347 (pg)
R4 Paunzen E., et al. 2006, Astron. Astrophys. 454, 171
R5
R6
R7
R8
R9
R10
R11
R12
R13 Voroshilov V.I., et al. 1969, Kiev. BV catalogue of 12000 stars
R14 Moffat A.F.J., Vogt N. 1974, Veroeff. Astr. Inst. Univ. Bochum no 2
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