@article{articledc4b1078, title = {Characterization and spectroscopic studies of 'Eu POT.3+' and 'Tb POT.3+' complexes with 2,2'-bipyridine-4,4'-dicarboxylic acid}, author = {Calefi, Paulo Sérgio and Ribeiro, Anderson Orzari and Pires, Ana Maria and Serra, Osvaldo Antonio}, year = {2002}, journal = {Journal of Alloys and Compounds} }