Über die stereographische Projection eines Ellipsoids.Published in:Astronomische Nachrichten, 1855, v. 40, n. 20, p. 297, doi. 10.1002/asna.18550402002By:GrunertPublication type:Article
Effemeride d'Eunomia per l'opposizione del 1855.Published in:Astronomische Nachrichten, 1855, v. 40, n. 20, p. 311, doi. 10.1002/asna.18550402003By:Trettenero, VirgilioPublication type:Article
Masthead.Published in:Astronomische Nachrichten, 1855, v. 40, n. 20, p. fmi, doi. 10.1002/asna.18550402001Publication type:Article