※一部利用できない機能があります
- International Astronomical Union. Colloquium (2)
- Slettebak, Arne (2)
- International Astronomical Union (1)
- International Astronomical Union. Commission 29 (1)
- International Astronomical Union. Commission 45 (1)
- National Science Foundation (U.S.) (1)
- Ohio State University (1)
- Snow, Theodore P. (Theodore Peck) (1)