Transverse vibrations of simply supported rectangular plates with rectangular cutouts (sv960703)
Transverse vibrations of composite, circular annular membranes: Exact solution
TRANSVERSE VIBRATIONS OF A THIN ELLIPTICAL PLATE WITH A CONCENTRIC, CIRCULAR FREE EDGE HOLE
TRANSVERSE VIBRATIONS OF A CLAMPED RECTANGULAR PLATE OR SLAB WITH AN ORTHOTROPIC PATCH
The fundamental frequency of non-homogeneous rectangular membranes (SV960931)
Rayleigh's optimization concept and the use of sinusoidal co-ordinate functions (sv960690)