Col Reference--- ---------
R1 Purgathofer A. 1964, Ann. Univ. Sternw. Wien 26 no 2
R2 Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17, 347 (pe)
R3 Hoag A.A., et al. 1961, Publ. US. Nav. Obs. 17, 347 (pg)
R4 Cuffey J. 1937, Ann. Harvard Coll. Obs. 105, 403
R5 Lavdovski V.V. 1961, Trudy Leningrad Astr. Obs. 73, 7 (table l)
R6 Subramanian A., Sagar R. 1999, Astron. J 117, 937
R7 Purgathofer A. 1964, Ann. Univ. Sternw. Wien 26 no 2 (photoelectric se)
R8 Pandey A.K., et al. 2007, Publ. Astron. Soc. Japan 59, 547
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