{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On the determination of the orbits of comets, according to the methods of Father Boscovich and Mr. de la Place. With new and complete tables; and ... by both methods. By Sir Henry Englefield, ...","author_name":"Henry Englefield","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9HI/bigB009HIYPPC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009HIYPPC.html\">On the determination of the orbits of comets, according to the methods of Father Boscovich and Mr. de la Place. With new and complete tables; and ... by both methods. By Sir Henry Englefield, ...</a>","width":400,"height":300}