Drašar, P. (2013). Eicher Theophil, Hauptmann Siegfried, Speicher Andreas: The Chemistry of Heterocycles – Structure, Reactions, Synthesis, and Applications. Chemické Listy, 107(2), 188. Získáno z http://chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/778