1. H. L. Runyan and C. E. Watkins. ?Considerations of the effects of wind-tunnel walls on oscillating air forces for two-dimensional subsonic compressible flow?, NACA TN, no. 2552, 1951.
2. D. S. Wollston and H. L. Runyan, ?Some considerations on the air forces on a wing oscillating between two walls for subsonic compressible flow?, JAS, no. 1, 1955.
3. W. P. Jones, ?Wind-tunnel wall interference effects on oscillating aerofoils in subsonic flow?, ARC R. and M., no. 2943, 1957.
4. I. Hamamoto, ?Minute harmonic oscillation of flat plate cascade in subsonic flow?, Proc. 7-th Japan Nat. Congress Appl. Mech., Tokyo, 1958.
5. E. Meister, ?Beitrag zur Aerodynamik eines schwingenden Gitters, II?, Z. angew. Math, und Mech., vol. 42, no. 1/2, 1962.