{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Two point exponential approximation method for structural optimization of problems with frequency constraints","author_name":"U.S. Government","thumbnail_url":"https://www.ebooknetworking.net/books/123/433/big1234331446.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1234331446.html\">Two point exponential approximation method for structural optimization of problems with frequency constraints</a>","width":400,"height":300}