{"last_modified": {"type": "/type/datetime", "value": "2010-12-05T06:02:04.472826"}, "title": "Handbook of wastewater collection and treatment", "created": {"type": "/type/datetime", "value": "2009-12-10T19:21:57.956058"}, "subjects": ["Purification", "Sewage", "Sewage disposal"], "latest_revision": 2, "key": "/works/OL6556538W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1756671A"}}], "type": {"key": "/type/work"}, "revision": 2}