{"lc_classifications": ["QD172.R2 B37"], "key": "/works/OL1244150W", "title": "Compilation of the properties of the rare earth metals and compounds", "first_publish_date": "1959", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL125557A"}}], "dewey_number": ["546.4"], "type": {"key": "/type/work"}, "subjects": ["Rare earth metals", "Rare earth metal compounds"], "covers": [14934270], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-09T20:50:28.118263"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-29T07:01:44.970249"}}