{"subtitle": "Northern Virginia Community College", "covers": [5039247], "first_publish_date": "1999", "latest_revision": 5, "key": "/works/OL2043973W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL239776A"}}], "created": {"type": "/type/datetime", "value": "2009-12-09T22:46:24.272153"}, "title": "Mathematical Ideas With Appendices", "last_modified": {"type": "/type/datetime", "value": "2011-02-06T01:27:46.979051"}, "type": {"key": "/type/work"}, "revision": 5}