CALENDARS (CHRONOLOGY)
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BTCHRONOLOGY, CALENDARS AND TIME DETERMINATION
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UDC529.3
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Descriptor GERKALENDER (CHRONOLOGIE)
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Descriptor ENGCALENDARS (CHRONOLOGY)
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Descriptor FRECALENDRIERS (CHRONOLOGIE)
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NTBABYLONIAN CALENDAR (CHRONOLOGY)
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NTISLAMIC CALENDAR (CHRONOLOGY)
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NTJEWISH CALENDAR (CHRONOLOGY)
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NTANCIENT CALENDARS (CHRONOLOGY)