Citation: Torben Birk; Kasper S. Pedersen; Christian Aa. Thuesen; Thomas Weyherm\"uller; Magnus Schau-Magnussen; Stergios Piligkos; H\"ogni Weihe; Susanne Mossin; Marco Evangelisti; Jesper Bendix (2012). Fluoride Bridges as Structure-Directing Motifs in 3d-4f Cluster Chemistry. Inorganic Chemistry, 51, pp. 5435-5443.