Definitive Bahmelemente des Kometen 1887. III
By: Akad. Abhandlung von P.A. Heinricius
Publisher: J.P. Frenckel & Sohn
Published: 1889
Place of publication: Helsingfors
Language: ger
Number of pages: 50
Notes: Thesis (doctoral)--Kejserliga Alexanders-universitetet i Finland, 1889.