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CCD astrometry and UBV photometry of visual binaries - II. Visual double stars with mainly G - type primaries and relatively small angular separation https://doi.org/10.1051/aas:1998413
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CCD astrometry and UBV photometry of visual binaries - II. Visual double stars with mainly G - type primaries and relatively small angular separation https://doi.org/10.1051/aas:1998413
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