{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Sound-proof partitions; an investigation of the acoustic properties of various building materials, with practical applications - Primary Source Edition","author_name":"Floyd Rowe Watson","thumbnail_url":"https://www.ebooknetworking.net/books/129/404/big1294047124.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1294047124.html\">Sound-proof partitions; an investigation of the acoustic properties of various building materials, with practical applications - Primary Source Edition</a>","width":400,"height":300}