{"created": {"type": "/type/datetime", "value": "2009-12-10T03:18:36.953229"}, "first_publish_date": "August 1989", "latest_revision": 4, "key": "/works/OL3333220W", "title": "Propagation Engineering", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL540042A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2012-06-01T15:31:40.007567"}, "covers": [5299942], "revision": 4}