{"created": {"type": "/type/datetime", "value": "2009-12-10T06:25:05.278207"}, "subjects": ["Actuators", "Valves"], "latest_revision": 3, "key": "/works/OL4453715W", "title": "Valve and actuator technology", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL887230A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T14:37:15.610027"}, "covers": [6306967], "revision": 3}