1929/08/09 · 1 citation
Physics and Astronomy · #Astronomy #History and Developments in Astronomy #Physics #Planetarium
paper · doi:10.1126/science.70.1806.137
crossref issued 1929/08/09 · crossref published 1929/08/09 · crossref published-print 1929/08/09 · openalex publication_date 1929/08/09 · crossref created 2006/10/05 · crossref deposited 2024/01/14 · openalex created_date 2025/10/10 · crossref indexed 2026/02/13 · openalex updated_date 2026/07/23