Citation: de Jong, B. H. W. S.; Sup\`er, H. T. J.; Spek, A. L.; Veldman, N.; van Wezel, W.; van der Mee, V. (1996). Structure of KLiSi~2~O~5~ and the hygroscopicity of glassy mixed alkali disilicates. Acta Crystallographica Section B, 52, pp. 770-776.