V. C. Fäseke, R. M. Witzig, A. Link, D. Lotter, and C. Sparr, “Catalytic Arene-forming Aldol Condensation: Stereoselective Synthesis of Rotationally Restricted Aromatic Compounds”, Chimia, vol. 71, no. 9, p. 596, Sep. 2017, doi: 10.2533/chimia.2017.596.