References for the numbering systems

Col	Reference

---	---------

R1	Cuffey J. 1938, Ann. Harv. Coll. Obs. 1 06, 139

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	Pena J.H., Peniche R. 1994, Rev. Mex. Astr. Astrofis. 28, 139

R5	Carraro G., et al. 2006, Mon. Not. R. Astron. Soc. 365, 867

R6	

R7	

R8	

R9	

R10	

R11	

R12	

R13	

R14	Voroshilov V.I., et al. 1969, Kiev Catalogue B and V for 12000 stars

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