Jessy, J.M. “The Pivotal Role of Ponderal Effect on the Energetics of Tertiary Amine Quaternary Ammonium Systems in Aliphatic Alcohols ”. Asian Journal of Chemistry, vol. 14, no. 1, Mar. 2010, pp. 289-9, https://asianpubs.org/index.php/ajchem/article/view/22009.