1. A.G.A.R.D. Rep. 36;Minhinnick,1956
2. Aeroelasticity;Bisplinghoff,1955
3. An Introduction to the Theory of Aeroelasticity;Fung,1955
4. An Introduction to the Theory of Aircraft Vibration and Flutter;Scanlan,1951
5. A method 0f calculating space free resonant modes of an aircraft;Hunk,1953