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p068922582
p068922582
http://data.bibliotheken.nl/id/thes/p068922582
Double stars / Wulff D. Heintz
author
Automated data retrieval in astronomy : proceedings of the 64th Colloquium of the International Astronomical Union, held in Strasbourg, France, July 7-10, 1981 / ed. by C. Jaschek and W. Heintz
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p068922582
http://data.bibliotheken.nl/id/thes/p068922582