{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lecture Notes on the General Theory of Relativity: From Newton's Attractive Gravity to the Repulsive Gravity of Vacuum Energy (Lecture Notes in Physics)","author_name":"Ã˜yvind GrÃ¸n","thumbnail_url":"https://www.ebooknetworking.net/books/144/192/big1441927751.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1441927751.html\">Lecture Notes on the General Theory of Relativity: From Newton&#039;s Attractive Gravity to the Repulsive Gravity of Vacuum Energy (Lecture Notes in Physics)</a>","width":400,"height":300}