Search Results - "Y 3.N 21/5:8/921"
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Contribution to the aerodynamics of rotating-wing aircraft /
Published 1939“…Y 3.N 21/5:8/921…”
Government Document Book -
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Contribution to aerodynamics of rotating-wing aircraft.
Published 1939“…Y 3.N 21/5:8/921…”
Full Text (via ProQuest)
Government Document eBook