T. Chappuis, I. Bobowska, S. Hengsberger, E. Vanoli, and H. Dietsch, “Influence of the Hydrogen Reduction Time and Temperature on the Morphology Evolution and Hematite/Magnetite Conversion of Spindle-Type Hematite Nanoparticles: FH – HES”, Chimia, vol. 65, no. 12, p. 979, Dec. 2011, doi: 10.2533/chimia.2011.979.