{"title": "Nab Guide for Broadcast Station Chief Operators", "authors": [{"key": "/authors/OL3003444A"}], "publish_date": "February 1991", "publishers": ["Natl Assn Broadcasters"], "physical_format": "Paperback", "isbn_13": ["9780893241056"], "languages": [{"key": "/languages/eng"}], "isbn_10": ["0893241059"], "oclc_numbers": ["27321585"], "type": {"key": "/type/edition"}, "source_records": ["amazon:0893241059"], "key": "/books/OL11301774M", "works": [{"key": "/works/OL8800227W"}], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-02-24T13:16:30.172572"}}