Search Results - "Y 3.N 21/5:8/921"

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  1. 1

    Contribution to the aerodynamics of rotating-wing aircraft / by Sissingh, G.

    Published 1939
    “…Y 3.N 21/5:8/921…”
    Government Document Book
  2. 2

    Contribution to aerodynamics of rotating-wing aircraft.

    Published 1939
    “…Y 3.N 21/5:8/921…”
    Full Text (via ProQuest)
    Government Document eBook
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