1. Ziegler, F.: Technische Mechanik der festen und flüssigen Körper. Wien-New York: Springer 1985.
2. Leissa, A. W.: Vibrations of plates. Washington: NASA-SP-160, 1969.
3. Irschik, H.: Membrane-type eigenmotions of Mindlin plates. Acta Mechanica55, 1?20 (1985).
4. Morse, P. M., Feshbach, H.: Methods of theoretical physics. New York: McGraw-Hill 1953.
5. Shaw, R. P.: Boundary integral equation method's applied to wave problems, in: Developments in boundary element methods-1 (Banerjee, P. K., Butterfield, R., eds.), p. 121?154. London: Appl. Sc. Publ. 1979.