{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Spectral Analysis in Engineering","author_name":"Grant E. Hearn","thumbnail_url":"https://www.ebooknetworking.net/books/008/097/big0080972594.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0080972594.html\">Spectral Analysis in Engineering</a>","width":400,"height":300}