{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Differential Geometry: 1972 Lecture Notes (Lecture Notes Series) (Volume 5)","author_name":"Robert Geroch","thumbnail_url":"https://www.ebooknetworking.net/books/192/776/big1927763061.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1927763061.html\">Differential Geometry: 1972 Lecture Notes (Lecture Notes Series) (Volume 5)</a>","width":400,"height":300}