{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Optical Fiber Communication (4th Edition English) series of foreign electronic and communications materials","author_name":"??? ?? Gerd Keiser","thumbnail_url":"https://www.ebooknetworking.net/books/B00/5GF/bigB005GFNIJO.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B005GFNIJO.html\">Optical Fiber Communication (4th Edition English) series of foreign electronic and communications materials</a>","width":400,"height":300}