{"publishers": ["Mcgraw Hill Book Co Ltd"], "source_records": ["amazon:0077072383:o-5:3116479220:152750", "amazon:0077072383:6:2758036141:150739"], "created": {"type": "/type/datetime", "value": "2008-04-29T13:35:46.876380"}, "isbn_10": ["0077072383"], "number_of_pages": 380, "isbn_13": ["9780077072384"], "languages": [{"key": "/l/eng"}], "last_modified": {"type": "/type/datetime", "value": "2009-10-26T06:33:50.468047"}, "publish_date": "November 1990", "key": "/b/OL7308716M", "authors": [{"key": "/a/OL2641254A"}], "title": "Performance and Control of Electrical Machines", "latest_revision": 2, "works": [{"key": "/works/OL284553W"}], "type": {"key": "/type/edition"}, "id": 9961517, "revision": 2}