Mechanical and Aerospace Engineering - 1954

Smetana, F. O. (1954). Determination of neutral points and maneuver points from longitudinally accelerated flight data. Air Force Technical Note AFFTC, R-19(July).

Smetana, F. O. (1954). An explanation of the theory and applications of dynamic  response flight testing. Air Force Technical Note AFFTC, 54-1(May).