{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Substance and function, and Einstein's theory of relativity","author_name":"Cassirer, Ernst","thumbnail_url":"https://www.ebooknetworking.net/books/111/321/big1113218487.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1113218487.html\">Substance and function, and Einstein&#039;s theory of relativity</a>","width":400,"height":300}