{"key": "/works/OL144109W", "title": "High voltage SPT performance", "created": {"type": "/type/datetime", "value": "2009-10-19T19:02:53.963482"}, "id": 34964690, "first_publish_date": "2001", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-30T13:11:45.811851"}, "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2197025A"}}], "type": {"key": "/type/work"}, "subjects": ["Mass flow rate", "Field strength", "Optimization", "High voltages", "Plasma propulsion"], "revision": 2}