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- International Astronomical Union. Colloquium (6)
- Cornwell, T. J. (1)
- Giese, R. H. (Richard H.) (1)
- Heintz, Wulff D. (Wulff Dieter) (1)
- Humphries, Colin M. (Colin Michael), 1938- (1)
- International Astronomical Union (1)
- Jaschek, Carlos (1)
- Lamy, P. L. (Philippe L.) (1)
- Lecar, Myron (1)
- Perley, Richard A. (1)
- Schooneveld, Cornelis van, 1933- (1)