{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Operation Pathfinder, final report: A bureau of Air Traffid Management project to determine the feasibility of poisitive control of air traffic on an area basis","author_name":"United States. Air Traffic Service","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2YG/bigB002YGSO7O.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002YGSO7O.html\">Operation Pathfinder, final report: A bureau of Air Traffid Management project to determine the feasibility of poisitive control of air traffic on an area basis</a>","width":400,"height":300}