{"created": {"type": "/type/datetime", "value": "2009-12-10T08:30:38.224355"}, "subject_places": ["Germany (West)"], "subjects": ["Air", "Law and legislation", "Pollution", "Pollution control equipment"], "latest_revision": 2, "key": "/works/OL5061196W", "title": "Vorsorge als Prinzip des Immissionsschutzrechts", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1107488A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T19:24:13.297083"}, "revision": 2}