{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise on Plane and Spherical Trigonometry, and its Applications to astronomy and Geodesy","author_name":"Bowser, Edward Albert","thumbnail_url":"https://www.ebooknetworking.net/books/111/698/big1116985888.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1116985888.html\">A Treatise on Plane and Spherical Trigonometry, and its Applications to astronomy and Geodesy</a>","width":400,"height":300}