F. Jahanshahi-Anboohi and G. Rezaie, “Synthesis and Characterization of Bis-Dithiocarbamate Disubstituted Derivative of Calix[4]arene as a New Macrocyclic Ligand for Construction of Ion Selective Electrode”, ajc, vol. 24, no. 9, pp. 3870–3872, May 2012.