{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Dynamical Theory of the Electromagnetic Field","author_name":"James C. Maxwell","thumbnail_url":"https://www.ebooknetworking.net/books/157/910/big1579100155.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1579100155.html\">A Dynamical Theory of the Electromagnetic Field</a>","width":400,"height":300}