Citation: Zhao, Haishuang; Krysiak, Ya\,sar; Hoffmann, Kristin; Barton, Bastian; Molina-Luna, Leopoldo; Neder, Reinhard B.; Kleebe, Hans-Joachim; Gesing, Thorsten M.; Schneider, Hartmut; Fischer, Reinhard X.; Kolb, Ute (2017). Elucidating structural order and disorder phenomena in mullite-type Al 4 B 2 O 9 by automated electron diffraction tomography. Journal of Solid State Chemistry, 249, pp. 114-123.