Citation: L. Valencia; J. Martinez; A. Mac\'ias; R. Bastida; R. A. Carvalho; C. F. G. C. Geraldes (2002). X-ray Diffraction and 1H NMR in Solution: Structural Determination of Lanthanide Complexes of a Py2N6Ac4 Ligand. Inorganic Chemistry, 41, pp. 5300-5312.