1. Ahlin, K., Shock Response Spectrum Calculation – An Improvement of the Smallwood Algorithm, 70th Shock & Vibration Symposium, Albuquerque, New Mexico, November 15–19, 1999.
2. LAPACK Users’ Guide;Anderson,1999
3. Stability and accuracy analysis of direct integration methods;Bathe;Earthq. Eng. Struct, Dyn.,1973
4. Finite Element Procedures in Engineering Analysis;Bathe,1982
5. Computational Methods in Transient Analysis,1983