Kowalski, A., M. Florczak, J. Libiszowski, K. Majerska, and A. Duda. 2022. “Application of the 27Al NMR Spectroscopy to Studies of Mechanisms of Cyclic Esters Polymerization”. Polimery 52 (10):722-29. https://polimery.ichp.vot.pl/index.php/p/article/view/1466.