Low-Dose Element-Doped CeCrM/TiO2 (M = La, Cu, Fe, LaCu, LaFe) Catalyst for Low-Temperature NH3‑SCR Process: Synergistic Effect of LaCu/LaFe - Guilin Mu; Shuai Liu; Qingjie Liu; Shanshan Liu; Xintang Zhang (ACS Omega, 2022)