{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Text-Book of Geodetic Astronomy (Classic Reprint)","author_name":"John Fillmore Hayford","thumbnail_url":"https://www.ebooknetworking.net/books/B00/8C2/bigB008C2C5DS.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B008C2C5DS.html\">A Text-Book of Geodetic Astronomy (Classic Reprint)</a>","width":400,"height":300}