1. Numerical Solution Techniques for Unsteady Transonic Problems;Ballhaus;AGARD Report No. 679,1980
2. Aeroelasticity;Bisplinghoff,1955
3. Flutter Analysis of Two-Dimensional and Two Degree of Freedom Airfoils in Small-Disturbance Unsteady Transonic Flow;Yang,1978
4. On the role of shocks in the “Sub-transonic” flutter phenomenon;Ashley,1979
5. Computation of unsteady transonic flows by the indicial method;Ballhaus;AIAA J.,1978