Z. Bychawski
- Creep failure of nonlinear rotational shells. Vorgetragen bei: Huitième Congrès de l'AIPC = Eighth Congress of IABSE = Achter Kongress der IVBH, New York, NY, USA, 9-14 September 1968. (1968):
- Reological theory of membranes undergoing large deformations (physical, geometrical and engineering aspects). Vorgetragen bei: Ninth Congress of IABSE = Neuvième Congrès de l'AIPC = Neunter Kongress der IVBH, Amsterdam, Netherlands, 8-13 May 1972. (1972):