{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Classical Field Theory: Electromagnetism and Gravitation","author_name":"Francis E. Low","thumbnail_url":"https://www.ebooknetworking.net/books/047/159/big0471595519.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0471595519.html\">Classical Field Theory: Electromagnetism and Gravitation</a>","width":400,"height":300}