{"created": {"type": "/type/datetime", "value": "2009-12-10T04:12:13.873333"}, "subjects": ["Martial arts", "Psychological aspects", "Psychological aspects of Martial arts"], "latest_revision": 3, "key": "/works/OL3690522W", "title": "The essence of internal martial arts", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL638614A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2020-11-19T18:42:59.231305"}, "covers": [9245582], "revision": 3}