※一部利用できない機能があります
- International Union of Theoretical and Applied Mechanics (3)
- Symposium on Cosmical Gas Dynamics (3)
- Thomas, Richard Nelson, 1921- (3)
- International Astronomical Union (2)
- Burgers, J. M. (Johannes Martinus), 1895- (1)
- Centre international d'astrophysique (1)
- International Astronomical Union. Symposium (1)
- International Council of Scientific Unions (1)