{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Methods of Celestial Mechanics: Volume I: Physical, Mathematical, and Numerical Principles (Astronomy and Astrophysics Library)","author_name":"Gerhard Beutler","thumbnail_url":"https://www.ebooknetworking.net/books/364/214/big3642148573.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3642148573.html\">Methods of Celestial Mechanics: Volume I: Physical, Mathematical, and Numerical Principles (Astronomy and Astrophysics Library)</a>","width":400,"height":300}