{"subjects": ["Carbon", "Cycles", "Juvenile literature", "Chemistry, juvenile literature"], "key": "/works/OL5833230W", "title": "The carbon cycle", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1430076A"}}], "type": {"key": "/type/work"}, "covers": [4261657], "latest_revision": 8, "revision": 8, "created": {"type": "/type/datetime", "value": "2009-12-10T18:03:00.950821"}, "last_modified": {"type": "/type/datetime", "value": "2023-03-23T05:31:04.871491"}}