{"title": "Electromagnetic waves and radiating systems", "covers": [8643163], "first_publish_date": "1950", "key": "/works/OL153446W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2120957A"}}], "dewey_number": ["621.3"], "type": {"key": "/type/work"}, "subjects": ["Electric engineering", "Electrical engineering", "Teoria Eletromagnetica"], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-10-20T02:49:16.955374"}, "last_modified": {"type": "/type/datetime", "value": "2024-07-12T01:33:49.575149"}}