ASTRONOMICAL TIME MEASUREMENT (CHRONOLOGY)
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BTMEASUREMENT OF TIME, TRANSCRIPTION OF TIME, REGULATION OF TIME (CHRONOLOGY)
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UDC529.71/.74
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Descriptor GERASTRONOMISCHE ZEITBESTIMMUNG (CHRONOLOGIE)
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Descriptor ENGASTRONOMICAL TIME MEASUREMENT (CHRONOLOGY)
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Descriptor FRECHRONOMÉTRIE ASTRONOMIQUE (CHRONOLOGIE)
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Variant GERZEITBESTIMMUNG/ASTRONOMISCHE ZEITBESTIMMUNG (CHONOLOGIE)
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Variant ENGTIME MEASUREMENT/ASTRONOMICAL TIME MEASUREMENT (CHRONOLOGY)
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Variant FREASTRONOMIQUE/CHRONOMÉTRIE ASTRONOMIQUE (CHRONOLOGIE)
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RTCOORDINATE AND TIME SYSTEMS (ASTRONOMY)