Lanthanide Complexes of New Polyaminocarboxylate Ligands with Two Chromophores Derived from Bispyrazolylpyridine and Aceto or Benzophenone: Synthesis, Characterization and Photophysical Properties - Brunet, E; Garayalde, D; Juanes Recio, M Olga; Sedano, R; Rodríguez-Ubis, JC (2005)