{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"by David J. Griffiths Introduction to Electrodynamics (3rd Edition)(text only)3rd (Third) edition[Hardcover]1999","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/B00/4QQ/bigB004QQHAQG.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B004QQHAQG.html\">by David J. Griffiths Introduction to Electrodynamics (3rd Edition)(text only)3rd (Third) edition[Hardcover]1999</a>","width":400,"height":300}