{"lc_classifications": ["TN28 .C65 no. 16"], "key": "/works/OL1565637W", "created": {"type": "/type/datetime", "value": "2009-12-09T21:53:03.513133"}, "title": "Los yacimientos de calcita o\u0301ptica de la Repu\u0301blica Mexicana", "id": 36744012, "subject_places": ["Mexico"], "first_publish_date": "1948", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-31T03:48:02.170358"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL167650A"}}], "type": {"key": "/type/work"}, "subjects": ["Mines and mineral resources", "Calcite"], "revision": 2}