{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Electroacoustics: Microphones, earphones and loudspeakers","author_name":"M. L. Gayford","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B007EPX3W6.html\">Electroacoustics: Microphones, earphones and loudspeakers</a>","width":400,"height":300}