{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Introduction To The Theory Of Relativity","author_name":"Peter Gabriel Bergmann","thumbnail_url":"https://www.ebooknetworking.net/books/143/259/big1432591002.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1432591002.html\">Introduction To The Theory Of Relativity</a>","width":400,"height":300}