{"last_modified": {"type": "/type/datetime", "value": "2019-07-30T23:05:53.727717"}, "title": "Hydraulic Servo Systems", "created": {"type": "/type/datetime", "value": "2009-12-11T02:57:11.354506"}, "subjects": ["Hydraulic control", "Hydraulic servomechanisms", "Hydraulic control.", "Hydraulic servomechanisms."], "latest_revision": 3, "key": "/works/OL10417630W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4324328A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2121175A"}}], "type": {"key": "/type/work"}, "revision": 3}