{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lehrbuch Der Combinatorik (German Edition)","author_name":"Eugen Netto","thumbnail_url":"https://www.ebooknetworking.net/books/114/527/big1145271510.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1145271510.html\">Lehrbuch Der Combinatorik (German Edition)</a>","width":400,"height":300}