523 Specific celestial bodies and phenomena
523.3 Moon vi
523 Các thiên thể và hiện tượng thiên văn cụ thể
523.3 Mặt trăng it
523 Specifici corpi e fenomeni celesti
523.3 Luna en
523 Specific celestial bodies and phenomena
523.3 Moon
523.31 Constants and dimensions 523.32 Optical, electromagnetic, radioactive, thermal phenomena 523.33 Orbit and motions 523.38 Eclipses de
523 Einzelne Himmelskörper und Himmelsphänomene
523.3 Mond
523.31 Konstanten und Dimensionen 523.32 Optische, elektromagnetische, radioaktive, thermische Phänomene 523.33 Umlaufbahn und Bewegungen 523.38 Finsternisse
Dewey Decimal Classification
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