L'Horloge géologique

Published in 32 languages; includes a selection in Braille in eng, fre, spa, kor

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Bibliographic Details
Format: article biblioteca
Language:fre
Subjects:Geochronology, Stratigraphy, Rocks, Earth (planet), Time measuring instruments, Fossils, International Geoscience Programme,
Online Access:https://unesdoc.unesco.org/ark:/48223/pf0000069531_fre
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