1. A Note About the Effects of Product of Inertia on Lateral Stability
2. Ashkenas, I. L., and McRuer, D. T., Approximate Airframe Transfer Functions and Application to Single Sensor Control Systems, WADC Technical Report 58-82, ASTIA Document No. AD 151 025,June, 1958.
3. Klemin, A., Pepper, P. A., and Wittner, H. A., Longitudinal Stability in Relation to the Use of an Automatic Pilot, NACA T N 666,1938.