{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Physical Principles of Astronautics Fundamentals of Dynamical Astronomy and Space Flight","author_name":"Arthur I Berman","thumbnail_url":"https://www.ebooknetworking.net/books/047/107/big0471070629.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0471070629.html\">The Physical Principles of Astronautics Fundamentals of Dynamical Astronomy and Space Flight</a>","width":400,"height":300}