{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Principles of Cosmology and Gravitation","author_name":"Michael V Berry","thumbnail_url":"https://www.ebooknetworking.net/books/085/274/big0852740379.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0852740379.html\">Principles of Cosmology and Gravitation</a>","width":400,"height":300}