{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Combinatorial Index","author_name":"Barry A. Bunin","thumbnail_url":"https://www.ebooknetworking.net/books/012/141/big0121413403.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0121413403.html\">The Combinatorial Index</a>","width":400,"height":300}