{"title": "Soziologische Aufkl\u00e4rung, Bd.1, Aufs\u00e4tze zur Theorie sozialer Systeme", "covers": [3226409, 5374648], "first_publish_date": "January 1, 1991", "key": "/works/OL1652163W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL184730A"}}], "type": {"key": "/type/work"}, "subjects": ["Differentiation (Sociology)", "Social systems", "Social classes, europe"], "dewey_number": ["301"], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-09T22:04:04.274741"}, "last_modified": {"type": "/type/datetime", "value": "2023-12-20T16:13:48.608982"}}