
Wide Components in Double and Multiple Stars
Proceedings of the 97th Colloquium of the International Astronomical Union held in Brussels, Belgium, 8-13 June, 1987
Herausgegeben: Dommanget, J.; Dessel, E. L. van; Kopal, Zdenek
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Proceedings of the 97th Colloquium of the International Astronomical Union, held in Brussels, Belgium, June 8-13, 1987