Paris, O., Fratzl, P., Langmayr, F., Vogl, G., & Haubold, H. (1994). Internal oxidation of Cu-Fe—I. Small angle x-ray scattering study of oxide precipitation. Acta Metallurgica et Materialia, 42(6), 2019-2026. doi:10.1016/0956-7151(94)90026-4.