{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Free Vibrations of Beams and Frames : Eigenvalues and Eigenfuctions","author_name":"Igor Karnovsky, Olga Lebed","thumbnail_url":"https://www.ebooknetworking.net/books/007/143/big0071431896.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0071431896.html\">Free Vibrations of Beams and Frames : Eigenvalues and Eigenfuctions</a>","width":400,"height":300}