Thermal Conversion of Methane to Formaldehyde Promoted by Gold in AuNbO3+ Cluster Cations. - Wang, Li ‐ Na; Zhou, Zhen ‐ Xun; Li, Xiao ‐ Na; Ma, Tong ‐ Mei; He, Sheng ‐ Gui (Chemistry - A European Journal, 2015)