{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Einstein's General Theory of Relativity: With Modern Applications in Cosmology","author_name":"Øyvind Grøn, Sigbjorn Hervik","thumbnail_url":"https://www.ebooknetworking.net/books/038/769/big0387691995.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0387691995.html\">Einstein&#039;s General Theory of Relativity: With Modern Applications in Cosmology</a>","width":400,"height":300}