Catalogue and re-measurement of the 648 double stars discovered by Professor G.W. Hough
By: by Eric Doolittle ...
Contributors: Hough, George Washington, 1836-
Series: Publications of the University of Pennsylvania. Astronomical series,; vol. III. pt. III
Publisher: The University]
Published: 1907
Place of publication: [Philadelphia
Language: eng
Number of pages: 176
Subjects: Double stars.