Guimarães, I. C., J. A. F. da Silva, and D. P. de Jesus. “Comparison of Potassium and Sodium Content in Diet and Non-Diet Soft Drinks by Using Capillary Electrophoresis With Capacitively Coupled Contactless Conductivity Detection”. Eclética Química, vol. 34, no. 3, Dec. 2009, pp. 51-56, doi:10.26850/1678-4618eqj.v34.3.2009.p51-56.