{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Polya Counting Theory: Combinatorics for Computer Science","author_name":"Williamson, S. Gill","thumbnail_url":"https://www.ebooknetworking.net/books/148/110/big1481100890.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1481100890.html\">Polya Counting Theory: Combinatorics for Computer Science</a>","width":400,"height":300}