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Pourbaix, D. (July 2008). Taming the binaries. A Giant Step: from Milli- to Micro-arcsecond Astrometry, Proceedings of the International Astronomical Union, IAU Symposium. Vol. 248. pp. 59–65. Bibcode:2008IAUS..248...59P. doi:10.1017/S1743921308018632.
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