1. Institute of Sound and Vibration Report ISAV 120;Petyt;The application of finite element techniques to plate and shell problems,1965
2. Structural Matrix Analysis for the Engineer;Robinson,1966
3. The Finite Element Method in Structural and Continuum Mechanics;Zienkiewicz,1967
4. On energy and complementary energy formulations of acoustic and structural vibration problems;Gladwell;J. Sound Vib.,1966
5. Proc. Symposium on Numerical Methods for Vibration Problems, Institute of Sound and Vibration Research;Butlin,1966