{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Concert and Opera Halls: How They Sound","author_name":"Leo L. Beranek","thumbnail_url":"https://www.ebooknetworking.net/books/156/396/big1563965305.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1563965305.html\">Concert and Opera Halls: How They Sound</a>","width":400,"height":300}