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On the Variation of the Period of η Aquilae
Author(s) -
Nielsen Axel V.
Publication year - 1931
Publication title -
astronomische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.394
H-Index - 63
eISSN - 1521-3994
pISSN - 0004-6337
DOI - 10.1002/asna.19312432405
Subject(s) - variation (astronomy) , period (music) , citation , observatory , computer science , library science , history , combinatorics , philosophy , mathematics , astrophysics , physics , aesthetics