{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Knapsack Problems","author_name":"Hans Kellerer, Ulrich Pferschy, David Pisinger","thumbnail_url":"https://www.ebooknetworking.net/books/364/207/big3642073115.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3642073115.html\">Knapsack Problems</a>","width":400,"height":300}