{"first_sentence": {"type": "/type/text", "value": "The conversion process in power electronics requires the use of transformers, and components which frequently are the heaviest and bulkiest items in the conversion circuits."}, "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "3 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["CRC"], "number_of_pages": 400, "isbn_13": ["9780824708184"], "id": 11008495, "edition_name": "1st edition", "isbn_10": ["0824708180"], "publish_date": "July 17, 2002", "key": "/b/OL8124888M", "authors": [{"key": "/a/OL2870735A"}], "title": "High Reliability Magnetic Devices (Electrical Engineering & Electronics, 115)", "type": {"key": "/type/edition"}, "subjects": ["Electronic devices & materials", "Science/Mathematics", "Electronics - General", "Technology & Industrial Arts", "Electrical Apparatus", "Electronic Apparatus And Devices", "Technology", "Quality control", "Magnetic devices", "Engineering - Electrical & Electronic", "Electricity", "General", "Technology / Electronics / Circuits / General", "Design and construction", "Electric inductors", "Electronic transformers"], "physical_dimensions": "11.4 x 8.6 x 0.8 inches", "revision": 1}