Coba jelasin MBB Group AG dari Messerschmitt-Bölkow-Blohm dong

MBB Bo 108 - menjadi Eurocopter EC 135

MBB/Hamburger Flugzeugbau HFB-320 Hansa Jet

Kereta komuter DB Kelas 420

Kereta cepat DB ICE 1

Alpenflug, sebuah kereta luncur gantung

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Bowen, John T. The Economic Geography of Air Transportation: Space, Time, and the Freedom of the Sky. Business & Economics, 2010. .

McCellan, J. Mac. "Paramedic". Flying, February 1986. Vol. 113, No. 2. pp. 62–67. .

Pitt, Ivan L. and John Randolph Norsworthy. Economics of the U.S. Commercial Airline Industry: Productivity, Technology and Deregulation. Springer, 2012. .

Senguttuvan, P. S. Fundamentals of Air Transport Management. Excel Books India, 2006. .

Simons, Graham. The Airbus A380: A History. Pen and Sword, 2014. .