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   "title": "M450560",
   "lastrevid": 1179441509,
   "modified": "2026-10-25T10:38:40Z",
   "type": "item",
   "id": "M450560",
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     "value": "Les Atomes"
    }
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     "value": "1913 book by Jean Perrin arguing from thirteen independent measurements that atoms and molecules exist"
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     "title": "Les Atomes",
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}