Kozłowska, A., and J. Majszczyk. “Relaxation Processes and Phase Structure of Ester-Etheramide Copolymers”. Polimery, vol. 50, no. 11-12, Sept. 2022, pp. 844-50, https://polimery.ichp.vot.pl/index.php/p/article/view/1696.