Col Reference--- ---------
R1 Walker M.F. 1961, Astrophys. J. 133,438
R2 van Schewick H. 1962, Ver. Univ. Sternw. Bonn no 62
R3 Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17,347 pe
R4 Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17,347 pg
R5 Potsdamer Durchmusterung
R6 Kamp L.W. 1974, Astron. Astrophys. Suppl. 16, 1
R7 Tucholke H.-J. et al. 1986, Astron. Astrophys. Suppl. 66, 311
R8 Chini R., et al. 1992, Astron. Astrophys. 265, 45
R9 Belikov A.N., et al. 1999, Astron. Astrophys. Suppl. 134, 525
R10 Paunzen E., et al. 2002, Astron. Astrophys. 395, 823
R11 Evans C.J., et al. 2005, Astron. Astrophys. 437, 467
Back to the form