New thallium(III) chloride complexes with pyridine carboxylic acids: from molecular compounds to supramolecular associations - Toma, Monica; Sánchez, Agustín; Casas, José S.; Sordo, José; García-Tasende, María Soledad; Castellano, Eduardo Ernesto; Ellena, Javier; Berdan, Ioan (Central European Journal of Chemistry, 2003)