{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"ISO 7929:1985, Information processing - Magnetic disk for data storage devices - 83 000 flux transitions per track, 130 mm (5.12 in) outer diameter, 40 mm (1.57 in) inner diameter","author_name":"ISO/IEC JTC 1","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Y2/bigB000Y2THQC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Y2THQC.html\">ISO 7929:1985, Information processing - Magnetic disk for data storage devices - 83 000 flux transitions per track, 130 mm (5.12 in) outer diameter, 40 mm (1.57 in) inner diameter</a>","width":400,"height":300}