Col Reference --- --------- R1 Kaluzny J. 1988, Acta Astr. 38, 339 R2 Kyeong J., et al. 2008, J. Korean Astron. Soc. 41, 147 Back to the form
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R1 Kaluzny J. 1988, Acta Astr. 38, 339
R2 Kyeong J., et al. 2008, J. Korean Astron. Soc. 41, 147