Citation: Millard, R. L.; Peterson, R. C.; Hunter, B. K. (1995). Study of the cubic to tetragonal transition in Mg2TiO4 and Zn2TiO4 spinels by 17O MAS NMR and Rietveld refinement of X-ray diffraction data Sample: RLM445, 1405 C, Mg2TiO4. American Mineralogist, 80, pp. 885-896.