{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Airframe structural dynamic considerations in rotor design optimization","author_name":"U.S. Government","thumbnail_url":"https://www.ebooknetworking.net/books/123/436/big1234361329.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1234361329.html\">Airframe structural dynamic considerations in rotor design optimization</a>","width":400,"height":300}