• The inner forces and cracks systems of the ferrocement middle length shellsLaul, Heinrich; Tärno, ÜloWood, ferrocement and plastics in shells and spatial structures : proceedings of the IASS symposium held June 9-14, 1980, at the University of Oulu, Oulu Finland1980 / p. 275-288 : ill
• The modeling and erecting the wooden hypar shells in EstoniaÕiger, Karl; Lavrov, Anatoli; Just, Elmar-JaanWood, ferrocement and plastics in shells and spatial structures : proceedings of the IASS symposium held June 9-14, 1980, at the University of Oulu, Oulu Finland1980 / p. 231-233
• Translator fiberglass plastic shells on rectangular planTärno, ÜloWood, ferrocement and plastics in shells and spatial structures : proceedings of the IASS symposium held June 9-14, 1980, at the University of Oulu, Oulu Finland1980 / p. 477-491