{"title": "Untersuchung des Wassers an Ort und Stelle, seine Beurteilung und Aufbereitung", "covers": [8731284], "key": "/works/OL19908901W", "type": {"key": "/type/work"}, "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4038915A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4038916A"}}], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2019-07-08T00:47:35.262297"}, "last_modified": {"type": "/type/datetime", "value": "2022-02-27T03:28:43.965598"}}