Białek, M., et al. “Studies of Ethylene 1-Hexene Copolymerization over Zirconocene Catalyst Supported on MAO-Modified MgCl2(THF)2. The Effect of Copolymerization Conditions on the Intermolecular Heterogeneity of Copolymers”. Polimery, vol. 48, no. 9, Sept. 2022, pp. 645-8, https://ichp.vot.pl/index.php/p/article/view/1910.