1994/04/07 by Carl Sagan, Steven J. Ostro, S. J. Ostro · 1 voice
Physics and Astronomy · Social Sciences · #Astro and Planetary Science #Nuclear Issues and Defense #Planetary Science and Exploration
paper · pdf · doi:10.1038/368501a0
crossref issued 1994/04/07 · crossref published 1994/04/07 · crossref published-print 1994/04/07 · openalex publication_date 1994/04/07 · crossref created 2003/06/13 · crossref deposited 2025/04/04 · openalex created_date 2025/10/10 · crossref indexed 2026/01/11 · openalex updated_date 2026/07/23