{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"En route air traffic controllers' use of flight progress strips: a graph-theoretic analysis: final report","author_name":"U.S. Government","thumbnail_url":"https://www.ebooknetworking.net/books/123/440/big123440964X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-123440964X.html\">En route air traffic controllers&#039; use of flight progress strips: a graph-theoretic analysis: final report</a>","width":400,"height":300}