Citation: Kohler, T.; Armbruster, T.; Libowitzky, E. (1997). Hydrogen bonding and Jahn-Teller distortion in groutite, alpha-MnOOH, and manganite, gamma-MnOOH, and their relations to the manganese dioxides ramsdellite and pyrolusite Note: Uiso corrected. Journal of Solid State Chemistry, 133, pp. 486-500.