{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Architectural acoustics. Per. from English. / Izd.5 / Arkhitekturnaya akustika. Per. s angl. / Izd.5","author_name":"Vern O. Knudsen","thumbnail_url":"https://www.ebooknetworking.net/books/538/201/big5382011486.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-5382011486.html\">Architectural acoustics. Per. from English. / Izd.5 / Arkhitekturnaya akustika. Per. s angl. / Izd.5</a>","width":400,"height":300}