1939/04/01 by N. U. Mayall, Lori Allen, L. H. Allen · 1 citation
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysical Phenomena and Observations #Stellar, planetary, and galactic studies
paper · pdf · doi:10.1086/125017
crossref issued 1939/04/01 · crossref published 1939/04/01 · crossref published-print 1939/04/01 · openalex publication_date 1939/04/01 · crossref created 2002/07/26 · crossref deposited 2018/03/07 · crossref indexed 2024/01/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/06/11