Alt, H. “Dinuclear Transition Metal Complexes Consisting of an α-Diimine Complex Unit and a Half Sandwich Complex Unit As Dual Site Catalysts for the Polymerization of Ethylene”. 2014. Jordan Journal of Chemistry (JJC), vol. 9, no. 2, Nov. 2021, pp. 110-26, https://jjc.yu.edu.jo/index.php/jjc/article/view/154.