FILIP, Alina, et al. “MIO-Enzyme Toolbox: Cloning, Expression and Purification of Recombinant „Rt”PAL”. Studia Universitatis Babeș-Bolyai Biologia, vol. 60, no. Sp.Issue, Dec. 2015, pp. 39-43, https://studia.reviste.ubbcluj.ro/index.php/subbbiologia/article/view/4625.