{"last_modified": {"type": "/type/datetime", "value": "2010-12-04T08:48:08.807676"}, "title": "Substitute materials in war & peace", "created": {"type": "/type/datetime", "value": "2009-10-28T02:31:02.045223"}, "subjects": ["Economic aspects", "Economic aspects of World War, 1939-1945", "Substitute products", "World War, 1939-1945"], "latest_revision": 2, "key": "/works/OL413013W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL18309A"}}], "type": {"key": "/type/work"}, "revision": 2}