アストロノミシェ・ナハリヒテン
1 2 3 Heinrich Christian Schumacher - mediator between Denmark and Germany; Centre of Scientific Communication in Astronomy, by Jurgen Hamel, pp. 99-120 of Around Caspar Wessel and the Geometric Representation of Complex Numbers (2001), the Proceedings of the Wessel Symposium at The Royal Danish Academy of Sciences and Letters, Copenhagen, August 11-15, 1998.
↑ “Astronomische Nachrichten”. Astrophysical Institute Potsdam. 2012年4月30日時点のオリジナルよりアーカイブ。2013年4月2日閲覧。 “[Astronomische Nachrichten] is the oldest astronomical journal of the world that is still being published”
1 2 3 4 Publications of the Astronomical Society of the Pacific, page 60, v.