Col Reference --- --------- R1 Carraro G. 2002, Astron. Astrophys. 387, 479 R2 Jasevicius V. 1964, Astr. Obs. Bull. Vilnius 13, 1 Back to the form
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R1 Carraro G. 2002, Astron. Astrophys. 387, 479
R2 Jasevicius V. 1964, Astr. Obs. Bull. Vilnius 13, 1