Klein, Christopher W.; Iwata, Shun; Takeuchi, Rituo & Naka, Tohsaku. Prediction and prevention of silica scaling at low levels of oversaturation: Case studies, and calculations for Uenotai Geothermal Field, Akita Prefecture, Japan, article, January 1, 1991; (https://digital.library.unt.edu/ark:/67531/metadc875904/m1/1/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .