{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Gravity, a Geometrical Course: Volume 1: Development of the Theory and Basic Physical Applications","author_name":"Pietro Giuseppe Frè","thumbnail_url":"https://www.ebooknetworking.net/books/940/075/big9400753608.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9400753608.html\">Gravity, a Geometrical Course: Volume 1: Development of the Theory and Basic Physical Applications</a>","width":400,"height":300}