{"last_modified": {"type": "/type/datetime", "value": "2010-12-04T01:17:01.174890"}, "title": "How to save energy in existing buildings", "created": {"type": "/type/datetime", "value": "2009-12-10T08:32:15.480282"}, "subjects": ["Buildings", "Energy conservation", "Standards"], "latest_revision": 2, "key": "/works/OL5068682W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1110523A"}}], "type": {"key": "/type/work"}, "revision": 2}