Liang, F. Y., Jiang, H. Q., Luo, H. X., Caro, J., & Feldhoff, A. (2011). Phase Stability and Permeation Behavior of a Dead-End Ba(0.5)Sr(0.5)Co(0.8)Fe(0.2)O(3-delta) Tube Membrane in High-Purity Oxygen Production. Chemistry of Materials, 23, 4765-4772. doi:10.1021/cm2018086.