Novak, P. a Boldis, M. (1999) „Contribution to a Laboratory Preparation of High Quality Aqueous Solutions of Tetrapropylammonium Hydroxide in the Synthesis of Zeolites", Chemické listy, 93(9). Dostupné z: http://www.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2583 (Viděno: 30 květen 2024).