Skupiński, W., and K. Niciński. “The Effect of the Number and Nature of Phenoxy Group Substituents on the Activity and Selectivity of CpTiCl3-n(OC6H5-mXm)n/MAO Catalyst Systems in Syndiotactic Polymerization of Styrene”. Polimery, vol. 47, no. 1, Sept. 2022, pp. 30-33, http://ichp.vot.pl/index.php/p/article/view/1940.