Northrop Flying Wingsde Garry R. Pape, John M. CampbellMateriasAirplanes, militaryEdiciones (1)Northrop Flying Wings (1995)Schiffer Publishing · inglés · ISBN 9780887406898Más obras de Garry R. PapeThe Bats The History of Iowas Air National Guard 174th SquadronQueen of the midnight skiesNorth American XB-70 Valkyrie1996