Miura, Yūichi: Iwase Tokusaburō to Ochi Shu’ichirō. Tokuyama ni okeru anmonia sōda kōgyōshi (Tokusaburō Iwase and Shu’ichirō Ochi. History of the development of the ammonia-soda process at Tokuyama), in: Kagakushi 42/3, 2015, pp. 117-130.