1. Baley, F. R.; Steger, J. L. (1972): Relaxation techniques for three-dimensional transonic flows about wings. AIAA Paper 72?189
2. Caradonna, F. X. (1985): Finite-difference method for the solution of unsteady potential flows. In: Morino, L. (ed.) Computational methods in potential aerodynamics. Southampton/UK: Comput. Mech. Publ.
3. Caradonna, F. X.; Tung, C. (1981): Experimental and analytical studies of a model helicopter rotor in hover. USAAVRADCOM TR-81-A-23
4. Cook, P. H.; McDonald, M. A.; Firmin, M. C. P. (1979): Aerofoil RAE 2822 ? pressure distribution and boundary layer and wake measureements. Barche, J. (ed.) Experimental data base for computer program assessment. AGARD-Advisory Report No. 138
5. Farassat, F. (1984): A new aerodynamic integral equation based on an acoustic formula in the time domain. AAIA J. 22, 1337?1340