Dieterle, M., Mestl, G., Jäger, J., Uchida, Y., Hibst, H., & Schlögl, R. (2001). Mixed molybdenum oxide based partial oxidation catalyst 2. Combined X-ray diffraction, electron microscopy and Raman investigation of the phase stability of (MOVW)5O14-type oxides. Journal of Molecular Catalysis A, 174(1-2), 169-185. doi:10.1016/S1381-1169(01)00074-7.