{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Helicopter Aerodynamics Volume II: Ray Prouty's Rotor and Wing Columns 1992-2003","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/B01/LVU/bigB01LVUT8TY.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B01LVUT8TY.html\">Helicopter Aerodynamics Volume II: Ray Prouty&#039;s Rotor and Wing Columns 1992-2003</a>","width":400,"height":300}