References for the numbering systems

Col	Reference

--- ---------

R1 Yilmaz F. 1970, Astron. Astrophys. 8,213

R2 Wramdemark S. 1978, Astron. Astrophys. 66, 137

R3 Fitzsimmons A. 1993, Astron. Astrophys. Suppl. 99, 15

R4 Paunzen E., et al. 2006, Astron. Astrophys. 454, 171


Back to the form