Theorie der Theilungsfehler am Meridiankreise.Published in:Astronomische Nachrichten, 1881, v. 99, n. 21, p. 321, doi. 10.1002/asna.18810992102By:Schmidt, Alex.Publication type:Article
Masthead.Published in:Astronomische Nachrichten, 1881, v. 99, n. 21, p. fmi, doi. 10.1002/asna.18810992101Publication type:Article