{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The classical theory of fields (Course of theoretical physics, Volume 2)","author_name":"L. D. Landau, E. M. Lifshitz","thumbnail_url":"https://www.ebooknetworking.net/books/008/018/big0080181767.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0080181767.html\">The classical theory of fields (Course of theoretical physics, Volume 2)</a>","width":400,"height":300}