{"created": {"type": "/type/datetime", "value": "2009-12-10T21:46:37.696681"}, "subject_places": ["Oregon"], "subjects": ["Chalcopyrite", "Copper ores", "Flotation"], "latest_revision": 2, "key": "/works/OL7748750W", "title": "Flotation of chalcopyrite in chalcopyrite-pyrrhotite ores of southern Oregon", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2415159A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-06T05:55:53.609317"}, "revision": 2}