de Chimie, 1980. 25 (2): 231-236. ISSN: 0035-3930 Mashio, Go, and Syuji Kariya. "Fluorescence imparting agent for ceramics." U.S. Patent Application No
Toshihiko Sugai, Yuichiro Fusejima, Yasuo Awata, Takashi Azuma, Yoshihiko Kariya and Yasuhiro Suzuki. Late Holocene paleoseismicity of the Yoro fault system