{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Graphs as mathematical models","author_name":"Gary Chartrand","thumbnail_url":"https://www.ebooknetworking.net/books/087/150/big0871502364.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0871502364.html\">Graphs as mathematical models</a>","width":400,"height":300}