{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Classical Theory of Gauge Fields","author_name":"Valery Rubakov","thumbnail_url":"https://www.ebooknetworking.net/books/069/105/big0691059276.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0691059276.html\">Classical Theory of Gauge Fields</a>","width":400,"height":300}