Não informado. (2009). OAR Cumulative Index of Research Results. Air Force, Office of Aerospace Research.
Lua i Stíl Chicago (17ú heag.)Não informado. OAR Cumulative Index of Research Results. Washington: Air Force, Office of Aerospace Research, 2009.
Lua MLA (8ú heag.)Não informado. OAR Cumulative Index of Research Results. Air Force, Office of Aerospace Research, 2009.
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