1. 7th Int. Cong. on Chem. of Cement;Sudoh;High strength cement in the CaO--Al2O3-SiO2-SO3 system and its application,1980
2. 7th Int. Cong. on Chem. of Cement;Sudoh;High strength cernent in the CaO--Al2O3-SiO2-SO3 system and its application,1980
3. 8th Int. Cong. on Chem. of Cement;Jun'an;Investigation into cement CaO-SiO2-Al2,O3, -Fe2,O3-SO3 system,1986
4. 7th Int. Cong. on Chem. of Cement;Ikeda;Cements along the join C4A3S̄-C2S,1980