Kwolek, U., K. Wójcik, M. Janiczek, M. Nowakowska, and M. Kepczynski. “Synthesis and Antibacterial Properties of Quaternary Ammonium Derivative of Polyethylenimine”. Polimery 62, no. 4 (January 15, 2021): 311–316. Accessed November 21, 2024. https://ichp.vot.pl/index.php/p/article/view/296.