Col Reference --- --------- R1 Yadav R.K.S., Sagar R. 2004, Mon. Not. R. Astron. Soc. 349, 1481 R2 Becker W., et al. 1976, Astr. Inst. Univ. Basel Kataloge... Back to the form
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R1 Yadav R.K.S., Sagar R. 2004, Mon. Not. R. Astron. Soc. 349, 1481
R2 Becker W., et al. 1976, Astr. Inst. Univ. Basel Kataloge...