{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Air-screws (Vol-1): an introduction to the aerofoil theory of screw propulsion","author_name":"M A S. Riach","thumbnail_url":"https://www.ebooknetworking.net/books/B00/80G/bigB0080G2Z72.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0080G2Z72.html\">Air-screws (Vol-1): an introduction to the aerofoil theory of screw propulsion</a>","width":400,"height":300}