Citation: J. Bartis et al., Lanthanide complexes of the alpha-1 isomer of the [P2W17O61](10-) heteropolytungstate: Preparation, stoichiometry, and structural characterization byW-183 and P-31 NMR spectroscopy and europium(III) luminescence spectroscopy, INORG CHEM, 38(6), 1999, pp. 1042-1053