{"title": "Principles and practice of impedance", "subjects": ["Alternating Electric currents", "Impedance (Electricity)", "Impedance (electricity)"], "key": "/works/OL4455122W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL887643A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T06:25:13.268776"}, "last_modified": {"type": "/type/datetime", "value": "2021-10-04T01:17:49.870849"}}