Citation: Redfern, S. A. T.; Henderson, C. M. B.; Knight, K. S.; Wood, B. J. (1997). High-temperature order-disorder in (Fe0.5Mn0.5)2SiO4 and (Mg0.5Mn0.5)2SiO4 olivines: an in situ neutron diffraction study Sample: T = 450 C. European Journal of Mineralogy, 9, pp. 287-300.