On the conditions which determine the limiting time of exposure of photographic plates in astronomical photography.Published in:Astronomische Nachrichten, 1897, v. 144, n. 7, p. 97, doi. 10.1002/asna.18971440702By:Wadsworth, F. L. O.Publication type:Article
Masthead.Published in:Astronomische Nachrichten, 1897, v. 144, n. 7, p. fmi, doi. 10.1002/asna.18971440701Publication type:Article
Beobachtungen von kleinen Planeten.Published in:Astronomische Nachrichten, 1897, v. 144, n. 7, p. 109, doi. 10.1002/asna.18971440703By:Seraphimoff, W.Publication type:Article