Prokhorov, V., Nikolaenko, Y., Levtchenko, G., Svetchnikov, V., Lee, Y., Park, J., Eom, T., Kim, J., Kaminsky, G., & Khokhlov, V. (2010). Evidence for non-Dzyaloshinskii-Moriya ferromagnetism in epitaxial BiFeO3 films. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, 37(2), 161–166. https://doi.org/10.1063/1.3555838