Determination of the cause for variation of level and azimuth in fixed meridian instruments.Published in:Astronomische Nachrichten, 1903, v. 163, n. 14, p. 209, doi. 10.1002/asna.19031631402By:Hough, G. W.Publication type:Article
Masthead.Published in:Astronomische Nachrichten, 1903, v. 163, n. 14, p. fmi, doi. 10.1002/asna.19031631401Publication type:Article
Planet 1903 MA.Published in:Astronomische Nachrichten, 1903, v. 163, n. 14, p. 223, doi. 10.1002/asna.19031631403By:Hough, G. W.Publication type:Article