Keypour, Hassan, and Sadegh Salehzadeh. “Binuclear Copper(II) Complexes Containing Two Crown-Type Macrocyclic Rings”. Asian Journal of Chemistry 12, no. 1 (March 30, 2010): 19–22. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/22876.