{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Telephone Switching Systems","author_name":"Richard A. Thompson","thumbnail_url":"https://www.ebooknetworking.net/books/158/053/big1580530885.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1580530885.html\">Telephone Switching Systems</a>","width":400,"height":300}