{"last_modified": {"type": "/type/datetime", "value": "2010-12-05T16:57:45.894569"}, "title": "Aeration in wastewater treatment", "created": {"type": "/type/datetime", "value": "2009-12-10T20:50:10.118042"}, "subjects": ["Aeration", "Purification", "Sewage"], "latest_revision": 2, "key": "/works/OL7302884W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2142956A"}}], "type": {"key": "/type/work"}, "revision": 2}