{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Electromagnetic Field Theory: A Collection of Problems","author_name":"Gerd Mrozynski, Matthias Stallein","thumbnail_url":"https://www.ebooknetworking.net/books/383/481/big3834817112.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3834817112.html\">Electromagnetic Field Theory: A Collection of Problems</a>","width":400,"height":300}