{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An introduction to tensor calculus","author_name":"Jacques L Mercier","thumbnail_url":"https://www.ebooknetworking.net/books/900/158/big9001585159.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9001585159.html\">An introduction to tensor calculus</a>","width":400,"height":300}