1. Saito, Y., M. Miyoshi, H. Yamamoto and Y. Sakabe; “Development of Carbon Dioxide Absorbent Using Barium Orthotitanate” (in Japanese), Proceeding of the 24th Annual Meeting of Japan Society of Energy and Resources, p. 193, Tokyo, Japan (2005a)
2. Saito, Y., H. Yamamoto, Y. Sakabe, M. Kondo and T. Sakai; “The Carbon Dioxide Absorption Characteristics of Barium Orthotitanate” (in Japanese), Proceeding of the 37th Autumn Meeting of The Society of Chemical Engineers, Japan, M308, Okayama, Japan (2005b)