{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Non-Euclidean geometry; a critical and historical study of its development","author_name":"Roberto Bonola, H S. 1870-1954 Carslaw","thumbnail_url":"https://www.ebooknetworking.net/books/117/815/big1178151301.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1178151301.html\">Non-Euclidean geometry; a critical and historical study of its development</a>","width":400,"height":300}