Col Reference --- --------- R1 Phelps R.L., Janes K.A. 1994, ApJS 90, 31 R2 Forbes D. 1981, Publ. Astron. Soc. Pacific 93,441 R3 Sharma S. et al., 2006, Astron. J. 132, 1669 Back to the form
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R1 Phelps R.L., Janes K.A. 1994, ApJS 90, 31
R2 Forbes D. 1981, Publ. Astron. Soc. Pacific 93,441
R3 Sharma S. et al., 2006, Astron. J. 132, 1669