{"lc_classifications": ["TA1250 I55"], "key": "/works/OL12814895W", "created": {"type": "/type/datetime", "value": "2009-12-11T07:51:45.206402"}, "title": "Colors of light signals", "id": 47982650, "first_publish_date": "1975", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-24T21:50:25.317017"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL5768769A"}}], "type": {"key": "/type/work"}, "subjects": ["Signal lights", "Colors", "Standards"], "revision": 2}