{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elements of the mathematical theory of electricity and magnetism","author_name":"J J. Thomson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/AG4/bigB00AG4219I.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00AG4219I.html\">Elements of the mathematical theory of electricity and magnetism</a>","width":400,"height":300}