{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Gravity, a Geometrical Course: Volume 2: Black Holes, Cosmology and Introduction to Supergravity","author_name":"Pietro Giuseppe Frè","thumbnail_url":"https://www.ebooknetworking.net/books/940/079/big9400798857.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9400798857.html\">Gravity, a Geometrical Course: Volume 2: Black Holes, Cosmology and Introduction to Supergravity</a>","width":400,"height":300}