SPHERICAL ASTRONOMY + ASTROMETRY
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BTTHEORETICAL ASTRONOMY
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UDC521.9
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Descriptor GERSPHÄRISCHE ASTRONOMIE + ASTROMETRIE
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Descriptor ENGSPHERICAL ASTRONOMY + ASTROMETRY
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Descriptor FREASTRONOMIE SPHERIQUE + ASTROMÉTRY
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Variant GERASTRONOMIE/SPHÄRISCHE ASTRONOMIE
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Variant GERASTROMETRIE
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Variant ENGASTRONOMY/SPHERICAL ASTRONOMY
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Variant ENGASTROMETRY
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Variant FREASTROMÉTRIE
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Variant FREASTRONOMIE DE POSITION
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NTOBSERVATIONAL CORRECTIONS (ASTRONOMY)
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NTCALCULATION OF EPHEMERIDES (ASTRONOMY)
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NTEARTH ROTATION + POLAR MOTION (ASTRONOMY)
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NTCOORDINATE AND TIME SYSTEMS (ASTRONOMY)