1. Wu C.H., A General Theory of Three-Dimensional Flow in Subsonic and Supersonic Turbomachineries of Axial-Radial and Mixed Flow Types, NACA TN 2604 (1952)
2. Wu C.H., Three-dimensional Turbomachine Flow Equations Expressed with Respect to Non-orthogonal Curvilinear Coordinates and Methods of Solution, In: Third Int. Symp. on Air Breathing Engines, Munich (1976), 233–252
3. Hirsch Ch., Unsteady Contributions to Steady Radial Equilibrium Flow Equations, In: Unsteady Phenomena in Turbomachines, AGARD Conf. Proc. CP 195 (1975)
4. Hirsch Ch., Warzee G., An Integrated Quasi Three-dimensional Finite Element Calculation Program for Turbomachinery Flows, Trans. ASME, Journal of Engineering for Power, vol. 101 (1979), 141–1H8
5. Jennions K., Stow P., A Quasi-three-dimensional Blade Design System, ASME Paper 84-GI, Transaction ASME, Journal of Engineering for Power (1984)