{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A flight-dynamic helicopter mathematical model with a single flap-lag-torsion main rotor","author_name":"U.S. Government","thumbnail_url":"https://www.ebooknetworking.net/books/123/433/big1234339773.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1234339773.html\">A flight-dynamic helicopter mathematical model with a single flap-lag-torsion main rotor</a>","width":400,"height":300}