{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On sound and atmospheric vibrations, with the mathematical elements of music; designed for the use of students of the university","author_name":"George Biddell Airy","thumbnail_url":"https://www.ebooknetworking.net/books/117/779/big1177790122.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177790122.html\">On sound and atmospheric vibrations, with the mathematical elements of music; designed for the use of students of the university</a>","width":400,"height":300}