{"created": {"type": "/type/datetime", "value": "2009-12-10T19:10:28.803325"}, "subjects": ["Collective behavior", "Social action", "United States", "Social Science / Criminology", "Natural gas", "Energy policy", "Power resources", "Petroleum industry and trade"], "latest_revision": 4, "key": "/works/OL6438307W", "title": "Momentum, a theory of social action", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1706581A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2810061A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2692257A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2019-07-31T13:52:01.713077"}, "covers": [4689794], "revision": 4}