{"title": "Moderne Abwassertechnik", "subjects": ["Sewage", "Purification", "Civil engineering"], "key": "/works/OL10056405W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4037264A"}}], "type": {"key": "/type/work"}, "covers": [3224826], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-11T02:06:43.691423"}, "last_modified": {"type": "/type/datetime", "value": "2022-10-18T07:14:14.682631"}}