Dynamic Interplay between Copper Tetramers and Iron Oxide Boosting CO2 Conversion to Methanol and Hydrocarbons under Mild Conditions, B. Yang, X. Yu, A. Halder,  X. Zhang, X. Zhou, G. J. A. Mannie, E. Tyo, M. J. Pellin, S. Seifert, D. Su, S. Vajda, just accepted, published on line July 15, 2019, DOI: 10.1021/acssuschemeng.9b01561, link