Col Reference--- ---------
R1 Heinemann K. 1926, Astr. Nach. 227, 193
R2 Rebeirot E. 1970, Astron. Astrophys. 4, 404
R3 Rohlfs K., Vanysek V. 1961, Astr. Abh. Hambourg V no 7
R4 Lavdovski V.V. 1961, Trudy Glavn. Astr. Obs. 73, 1
R5 Vogt H. 1923, Astr. Nach. 221, 43
R6 Stock J. 1985, Rev. Mex. Astron. Astrofis. 11, 103
R7 Francic S.P. 1989, Astron. J. 98, 888
R8 Platais I. 1991, Astron. Astrophys. Suppl. 87, 69
R9 Ebbighausen E.G. 1939, Astrophys. J. 89, 431
R10 Junkvist S. 1931, Medd. Astron. Obs. Upsala no 52 (Tab. II)
R11 Zdanavicius J., et al. 2010, Baltic Astron. 19, 35
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