1. Dulikravich G. S., Aerodynamic shape design and optimization: status and trends, J. Aircraft, 1992, 29(6): 1020–1025
2. Liu G. L., Advances in research on inverse & hybrid problems of turbomachine aerothermodynamics in China, Inverse Problems in Engrg, 1995, 2(1): 1–27
3. Nixon D. (ed.), Unsteady Transonic Aerodynamics, Progress in Astron. & Aeronautics (Vol. 120), AIAA, Washington D.C., 1989
4. Liu G. L., Variational formulation of 2-D unsteady transonic aerodynamics of oscillating cascades, Proc. 5th Intl. Symp. Unsteady Aerodynamics & Aeroelasticity of Turbomachines & Propellers, Beijing, China, Sep. 1989: 76–85
5. Liu G. L., Formulation of inverse problem of 2-D unsteady flow around oscillating airfoils by VP, Acta Aerodynamica Sinica, 1996, 14(1): 1–6 (or: Proc. Intl. Conf. Aerohydroelasticity, Beijing, China, Oct, 1993: 82–97)