Lee, J. K., Melsheimer, J., Berndt, S., Mestl, G., Schlögl, R., & Köhler, K. (2001). Transient responses of the local electronic and geometric structures of vanado-molybdo-phosphate catalysts H3+nPVnMo12-nO40 in selective oxidation. Applied Catalysis A, 214(1), 125-148. doi:10.1016/S0926-860X(01)00485-9.