(en) Olaf Muller et Rustum Roy, « Formation and stability of the platinum and rhodium oxides at high oxygen pressures and the structures of Pt3O4, β-PtO2 and RhO2 », Journal of the Less Common Metals, vol. 16, no 2, , p. 129-146 (DOI10.1016/0022-5088(68)90070-2, lire en ligne).
(en) Olaf Muller et Rustum Roy, « Formation and stability of the platinum and rhodium oxides at high oxygen pressures and the structures of Pt3O4, β-PtO2 and RhO2 », Journal of the Less Common Metals, vol. 16, no 2, , p. 129-146 (DOI10.1016/0022-5088(68)90070-2, lire en ligne).