1. Gasch, R.;Knothe, K.: (1989) Strukturdynamik, II, Kontinua und ihre Diskretisierung, Berlin, Heidelberg: Springer Verlag (in German)
2. Gutkowski, R.M.: (1981) Structures, fundamental theory and behavior. New York: Van Nostrand Reinhold Company
3. Herbert, D.B.: (1992) Simulating differential equations with SPICE2, IEEE circuits and devices magazine: simulation and modeling, Editor: Ping Yang, January, 11?14
4. Kecskeméthy, A.: (1993) MOBILE?An object-oriented tool-set for the efficient modeling of mechatronic systems, Proc. 2. Conference on Mechatronics and Robotics, Moers, Germany 447?462
5. Kumar, K.B.: (1991) Novel techniques to solve sets of coupled differential equations with SPICE, IEEE circuits and devices magazine: simulation and modeling, Editor: Ping Yang, January, 11?14