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2. Vibration of frames and other structures with banded stiffness matrix
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4. and , ‘A comparison of curved beam elements’, Symposium on Finite Element Techniques in Structural Vibration, British Acoustical Society, University of Southampton, 24/25 March 1971.
5. and , ‘Finite element analysis of bridges curved in plan’, presented at the International Symposium on Developments in Bridge Design and Construction, March 1971.