{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Economists' Mathematical Manual","author_name":"Knut Sydsaeter, Arne Strøm, Peter Berck","thumbnail_url":"https://www.ebooknetworking.net/books/364/206/big364206549X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-364206549X.html\">Economists&#039; Mathematical Manual</a>","width":400,"height":300}