por Doboku Gakkai.
por Symposium On Thin-walled Structures And Space Structures Tokyo 1967 | Doboku Gakkai.
por Symposium On Effective Use Of Digital Computers In Structural Design.
por Symposium On High-strength Steel And Its Join (1965 : Tokyo) | Nihon Kenchiku Gakkai | Doboku Gakkai.
por Doboku Gakkai | Nihon Kenchiku Gakkai | Nihon Gakujutsu Kaigi.
por Japan Society of Civil Engineers.
por Okamoto, Shunzo, 1909- [editor] | Joint Committee on Rock Mechanics (Japon) | Doboku Gakkai.