1. Simple and Complex Vibratory Systems;Skudrzyk,1968
2. The mean-value method of predicting the dynamic response of complex vibrators;Skudrzyk;Journal of the Acoustical Society of America,1980
3. Dynamic behavior of complex vibrators;Skudrzyk;Acustica,1987
4. Analyse des Structures par Eléments finis;Imbert,1979
5. Power flow finite element analysis of dynamic systems: basic theory and application to beams;Nefske,1987