1. Implicit finite-difference computations of unsteady transonic flows about airfoils;Ballhaus;AIAA Journal,1977
2. XGTRAN2L: a program for solving the general-frequency unsteady transonic small disturbance equation;Whitlow;NASA TM-85723,1983
3. Experience with transonic unsteady aerodynamic calculations;Edwards;NASA TM-86278,1984
4. Unsteady transonic aerodynamic and aeroelastic calculations about airfoils and wings;Goorjian;AGARD CP-374,1985
5. Full conservative numerical solutions for unsteady irrotational transonic flow about airfoils;Chipman;AIAA Paper 79-1555,1979