{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Theory and design of loudspeaker enclosures","author_name":"J. E Benson","thumbnail_url":"https://www.ebooknetworking.net/books/096/389/big0963892908.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0963892908.html\">Theory and design of loudspeaker enclosures</a>","width":400,"height":300}