21st Century Air transport
Aerospace ; 27 , 2
2000
Aufsatz (Zeitschrift)
Englisch
21st century high speed transport propulsion
AIAA | 1988
|A plan for 21st century land transport
Kraftfahrwesen | 2004
|High-speed ground transport for 21st century
Tema Archiv | 1979
A plan for 21st century land transport
Online Contents | 2004
|A plan for 21st century land transport
Tema Archiv | 2004
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