{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"AN EVALUATION OF A GRID ENCODEMENT OF THE GROUND PLANE AS A HELICOPTER HOVERING DISPLAY","author_name":"L E Wilkerson","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009TI0PYA.html\">AN EVALUATION OF A GRID ENCODEMENT OF THE GROUND PLANE AS A HELICOPTER HOVERING DISPLAY</a>","width":400,"height":300}