{"lc_classifications": ["TN'442'C5'B72'1976"], "key": "/works/OL13545548W", "created": {"type": "/type/datetime", "value": "2009-12-11T09:53:34.617408"}, "title": "Simulated deep solution mining of chalcopyrite and chalcocite", "id": 48712612, "first_publish_date": "1976", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-29T02:35:28.011609"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL6410880A"}}], "type": {"key": "/type/work"}, "subjects": ["Chalcopyrite", "Chalcocite", "Mining engineering"], "revision": 2}