Chen, S., Hoffmann, S., Weichert, K., Maier, J., Prots, Y., Zhao, J.-T., et al. (2011). Li(H2O)2-x[Zr2(PO4)3]: A Li-Filled Langbeinite Variant (x = 0) as a Precursor for a Metastable Dehydrated Phase (x = 2). Chemistry of Materials, 23(6), 1601-1606. doi:10.1021/cm103487w.