Col Reference--- ---------
R1 Steppe H. 1974, Astron. Astrophys. Suppl. 15, 91
R2 Hoag A.A., et al. 1961, Pub. US. N. Obs. 17, 347 (Pe)
R3 Hoag A.A., et al. 1961, Pub. US. N. Obs. 17, 347 (Pg)
R4 McCuskey S.W., Houk N. 1964, Astron. J. 69, 412
R5 Lavdovski V.V. 1961, Trudy Glavn. Astr. Obs. Pulkovo 73, 5
R6 Oja T. 1966, Ark. Astr. 4, 15
R7 Fagerholm E. 1909, Sver. Ark. Math. och Fys. 5, 123
R8 Zug R.S. 1933, Lick Obs. Bull. 16, 119
R9 Alter G. 1939, Mon. Not. R. Astr. Soc. 100, 392
R10 Sagar R., Joshi U.C. 1978, Bull. Astron. Soc. India 6, 12
R11 Purgathofer A. 1964, Ann. Univ. Sternw. Wien 26 no 2
R12 Osman A.M.I., et al. 1982, J. Astron. Soc. Egypt 4, 1
R13 Evstigneeva N.M., et al. 1991, Tr. Gos. Astr. Inst. Shternb. 62, 234
R14 Phelps R.L. Janes K.A. 1994, Astrophys. J. Suppl. 90, 31
R15 Sanner J., et al. 1999, Astron. Astrophys. 349, 448
R16 Moffat A.F.J., Vogt N. 1974, Veroeff. Astr. Inst. Univ. Bochum no 2
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