Fitch, W. S.
Communications of the Lunar and Planetary Laboratory No.71: photometric UBV observations of R.R.Lyrae variable Stars / W. S. Fitch - Tuscan : The University of Arizona Press, 1966. - p. tables.
Photometry : Photometric : Astronomical : Tables
522.6230212
Communications of the Lunar and Planetary Laboratory No.71: photometric UBV observations of R.R.Lyrae variable Stars / W. S. Fitch - Tuscan : The University of Arizona Press, 1966. - p. tables.
Photometry : Photometric : Astronomical : Tables
522.6230212