※一部利用できない機能があります
- International Astronomical Union (8)
- International Astronomical Union. Symposium (4)
- International Union of Theoretical and Applied Mechanics (2)
- Blaauw, Adriaan (1)
- Bracewell, Ronald Newbold, 1921- (1)
- International Scientific Radio Union (1)
- Larsson-Leander, G. (1)
- Lehnert, Georg, b. 1862 (1)
- Paris Symposium on Radio Astronomy (1)
- Roman, N. G. (1)
- Symposium on the Motion of Gaseous Masses of Cosmical Dimensions (1st : 1949 : Paris, France) (1)