Col Reference --- --------- R1 Boden E. 1950, Uppsala Astr. Obs. Ann. 2 no 7 R2 Phelps R.L., Janes K.A., Montgomery K.A. 1994, Astron. J. 107, 1079 Back to the form
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R1 Boden E. 1950, Uppsala Astr. Obs. Ann. 2 no 7
R2 Phelps R.L., Janes K.A., Montgomery K.A. 1994, Astron. J. 107, 1079