{"subjects": ["Minerals", "Juvenile literature", "Geochemical cycles", "Mineralogy", "Minerals, juvenile literature"], "key": "/works/OL20339690W", "title": "Minerals", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL7709118A"}}], "type": {"key": "/type/work"}, "covers": [9004414], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2019-10-25T06:31:02.450346"}, "last_modified": {"type": "/type/datetime", "value": "2022-07-19T07:31:17.264061"}}