Structural safety and reliability : proceedings of ICOSSAR '85, the 4th International Conference on Structural Society [sic] and Reliabelity [sic], the International Conference Center Kobe, Kobe, Japan, May 27-29, 1985 v. 1 Structural safety and reliability : proceedings of ICOSSAR 85 the 4th International Conference on Structural Society sic and Reliabelity sic the International Conference Center Kobe Kobe Japan May 27-29 1985