{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On the Sensations of Tone (1870; English 1875) (Thoemmes Press - Classics in Psychology) (Vol 9)","author_name":"Hermann von Helmholtz","thumbnail_url":"https://www.ebooknetworking.net/books/185/506/big1855066645.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1855066645.html\">On the Sensations of Tone (1870; English 1875) (Thoemmes Press - Classics in Psychology) (Vol 9)</a>","width":400,"height":300}