Ito C. Research on quality assurance of ductile cast iron casks. Pt. 2, 1991. - 124 p. - Текст : непосредственный.
Ito C. Integrity of cast-iron cask against free drop test. Pt. 3 : Verification of brittle failure design criterion / K.Shirai,O.Kato,C.Ito et al., 1990. - 44 p. - Текст : непосредственный.
Ito C. Design method of reinforced concrete structure against the collision of missile / C.Ito,H.Onuma,K.Shirai, 1991. - 47 p. - Текст : непосредственный.