{"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 Exam","author_name":"Henry Englefield","thumbnail_url":"https://www.ebooknetworking.net/books/123/608/big1236088255.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1236088255.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 Exam</a>","width":400,"height":300}