Saraswathyamma, Beena, et al. “Chemically Modified Carbon Paste Sensor Based on N1,N2-Bis(salicylidine)butane-1,4-Diamine for Determination of Nd(III)”. Asian Journal of Chemistry, vol. 29, no. 6, Apr. 2017, pp. 1296-00, doi:10.14233/ajchem.2017.20473.