{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Einstein and Hilbert: Dark Matter (Contemporary Fundamental Physics)","author_name":"Valeriy V. Dvoeglazov","thumbnail_url":"https://www.ebooknetworking.net/books/161/324/big1613248407.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1613248407.html\">Einstein and Hilbert: Dark Matter (Contemporary Fundamental Physics)</a>","width":400,"height":300}