{"created": {"type": "/type/datetime", "value": "2009-12-10T07:06:32.788678"}, "subject_places": ["Developing countries", "Tropics"], "subjects": ["Drinking water", "Handbooks, manuals", "Purification"], "latest_revision": 2, "key": "/works/OL4665160W", "title": "Traditional water purification in tropical developing countries", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL960260A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T23:41:01.180022"}, "revision": 2}