Não informado. (2009). OAR Cumulative Index of Research Results. Air Force, Office of Aerospace Research.
Chicago-Zitierstil (17. Ausg.)Não informado. OAR Cumulative Index of Research Results. Washington: Air Force, Office of Aerospace Research, 2009.
MLA-Zitierstil (8. Ausg.)Não informado. OAR Cumulative Index of Research Results. Air Force, Office of Aerospace Research, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.