{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Radio Direction Finder and Its Application to Navigation: Scientific Papers of the Bureau of Standards, Vol. 17","author_name":"Kolster, F. a.","thumbnail_url":"https://www.ebooknetworking.net/books/128/919/big1289191824.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1289191824.html\">The Radio Direction Finder and Its Application to Navigation: Scientific Papers of the Bureau of Standards, Vol. 17</a>","width":400,"height":300}