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2. A computer program for the dynamic stress analysis of underground structures;Wilson,1968
3. Stability and accuracy analysis of direct integration methods;Bathe;Earthquake Eng. Struct. Dyn.,1973
4. A recurrence matrix solution for dynamic response on elastic aircraft;Houbolt;J. Aerospace Sci.,1950
5. Improved numerical dissipation for time integrations in structural dynamic;Hilber;Earthquake Eng. Struct. Dyn.,1977