{"covers": [4544149], "last_modified": {"type": "/type/datetime", "value": "2010-12-06T06:56:14.120226"}, "latest_revision": 3, "key": "/works/OL7829643W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2489931A"}}], "created": {"type": "/type/datetime", "value": "2009-12-10T22:00:10.312437"}, "title": "Wasserbau und Wasserwirtschaft in Deutschland", "subject_places": ["Germany"], "subjects": ["History", "Hydraulic engineering", "Water-supply"], "type": {"key": "/type/work"}, "revision": 3}