1. A study of orthogonally stiffened plates;Hoppmann;Journal of Applied Mechanics,1956
2. Nodal patterns of the free flexural vibrations of stiffened plates;Hoppmann;Journal of Applied Mechanics,1957
3. On the transverse vibrations of rectangular orthotropic plates;Huffington;Journal of Applied Mechanics,1968
4. Vibration characteristics of stiffened plates;Kirk;Journal of Mechanical Engineering Science,1960
5. Finite element eigenvalue solution system;Anderson;Ph.D. Thesis, University of Wales, Swansea,1968