Publications of Naval Observatory, 2d series, v. 15, pt. 3 and 4. pt. 4. [Observations of double stars made with 260 inch equatorial of Naval Observatory, 1928-44 with list of references]; by H. E. Burton, U. S. Lyons, G. M. Raynsford, L. R. Wylie, W. M. Browne, and J. L. Smith].

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