1. Beconcini, M., Bennati, S. and Salvatore, W., ‘Structural characterization of a medieval bell tower. First historical, experimental and numerical investigations’, in: Proc. of the III International Seminar of Historical Constructions, Guimaraes (Portugal), 2001, pp. 431–444.
2. DIN 4178: “Glockentürme: Berechnung und Ausführung”, 1978.
3. Inertia forces due to bell-ringing