{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Celestial mechanics","author_name":"National Research Council (U.S.) Committee on celestial mechanics.","thumbnail_url":"https://www.ebooknetworking.net/books/B00/300/bigB00300GC9U.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00300GC9U.html\">Celestial mechanics</a>","width":400,"height":300}