{"first_publish_date": "1991", "title": "Lenk's audio handbook", "covers": [54550], "lc_classifications": ["TK7881.4 .L45 1991"], "key": "/works/OL1944444W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL233343A"}}], "dewey_number": ["621.389/3"], "subjects": ["Sound", "Equipment and supplies", "Recording and reproducing", "Maintenance and repair", "Sound, recording and reproducing"], "type": {"key": "/type/work"}, "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-09T22:36:28.418921"}, "last_modified": {"type": "/type/datetime", "value": "2021-09-16T01:54:52.744758"}}