Rudolf Heuer, Hans Irschik, Franz Ziegler,
"Nonstationary Response of Polygonally Shaped Membranes to Random Excitation."
, in I. Elishakoff, R.H. Lyon: Crandall-Festschrift, Amsterdam: Elsevier Sc. Publ., Seite(n) 555-565, 1986
Original Titel:
Nonstationary Response of Polygonally Shaped Membranes to Random Excitation.