Citation: Baur, W. H.; Joswig, W.; Fursenko, B. A.; Belitsky, I. A. (1997). Symmetry reduction of the aluminosilicate framework of LAU topology by ordering of exchangeable cations: the crystal structure of primary leonhardite with a primitive Bravais lattice. European Journal of Mineralogy, 9, pp. 1173-1182.