Hipolito, Joana, Luis Alves, and Ana Martins. “Synthesis and Characterization of Ti(IV), Zr(IV) and Al(III) Salen-Based Complexes”. European Journal of Chemistry 12, no. 2 (June 30, 2021): 216–221. Accessed May 5, 2024. https://eurjchem.com/index.php/eurjchem/article/view/2101.