{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Drei Abhandlungen Uber Kartenprojection (1898)","author_name":"Euler, Leonhard","thumbnail_url":"https://www.ebooknetworking.net/books/110/411/big1104119587.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1104119587.html\">Drei Abhandlungen Uber Kartenprojection (1898)</a>","width":400,"height":300}