Systematic corrections and weights of catalogs;
an extension of tables in Appendix III of Boss' P.G.C.,
by Arthur J. Roy.

APA Citation

Carnegie Institution of Washington. Department of Meridian Astrometry., Roy, A. J. (Arthur Jay)., Boss, L. (1921). Systematic corrections and weights of catalogs: an extension of tables in Appendix III of Boss' P.G.C.. [Albany, N.Y.: Dudley observatory.

MLA Citation

Carnegie Institution of Washington. Department of Meridian Astrometry, Arthur J. (Arthur Jay) Roy, and Lewis Boss. Systematic Corrections And Weights of Catalogs: an Extension of Tables In Appendix III of Boss' P.G.C.. [Albany, N.Y.: Dudley observatory, 1921.

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