Cao, X.W., et al. “Retention Behaviour of Weakly Ionizable Acidic Compounds in Ion-Suppression Reverse-Phase Liquid Chromatography With Ternary Mobile Phase”. Asian Journal of Chemistry, vol. 24, no. 5, Jan. 2012, pp. 1979-82, https://asianpubs.org/index.php/ajchem/article/view/8934.