{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Optical Communications Rules of Thumb","author_name":"John Lester Miller, Ed Friedman","thumbnail_url":"https://www.ebooknetworking.net/books/007/138/big0071387781.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0071387781.html\">Optical Communications Rules of Thumb</a>","width":400,"height":300}