1. Irschik, H., Ziegler, F.: “Application of the Green’s function method to thin elastic polygonal plates”. Acta Mechanica 39 (1981), 155–169.
2. Heuer, R., Irschik, H.: “A Boundary Element Method for Eigenvalue Problems of Polygonal Membranes and Plates”. Acta Mechanica 66 (1987), 9–20.
3. Ziegler, F., Irschik, H., Heuer, R.: “Nonstationary Response of Polygonally Shaped Membranes to Random Excitation”. In: Random Vibration-Status and Recent Developments (R. Lyon, I. Elishakoff, Eds.), Elsevier, p. 555–565, 1986.
4. Heuer, R., Ziegler, F.: “Modal Analysis of Polygonal Plates”. In: Proc. I.M.A.C.-Conference, London 1987, p. 261–266.
5. Heuer, R.: “Eine Randelementmethode zur Berechnung dynamisch beanspruchter Platten”. ZAMM 68, T375–T387 (1988).