1. Vibration of rectangular plates pointsupported at the corners;Cox;Aeronaut. Q.,1960
2. A note on the lowest natural frequency of a square plate point-supported at the corners;Kirk;Jl R. aeronaut. Soc.,1962
3. On the fundamental frequency of a four point-supported square elastic plate;Tso;A.LA.A.J.,1966
4. A general method (depending on the aid of a digital computer) for deriving the structural influence coefficients of aeroplane wings;Williams;ARC R & M No. 3048,1959
5. A new method of obtaining lower limits for the solutions of eigenvalue problems for beams and plates;Williams;R.A.E. Rep. Structures 225,1957