{"created": {"type": "/type/datetime", "value": "2009-12-11T03:04:47.222929"}, "title": "Plane and Spherical Trigonometry", "covers": [6618962, -1], "last_modified": {"type": "/type/datetime", "value": "2012-06-16T12:43:37.554458"}, "latest_revision": 5, "key": "/works/OL10502379W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4358185A"}}], "type": {"key": "/type/work"}, "subjects": ["Trigonometry", "mathematics", "maths"], "revision": 5}