Bogdał, D., J. Pielichowski, P. Penczek, J. Górczyk, and G. Kowalski. “Synthesis of Elevated-Molecular-Weight Epoxy Resins With Aid of Microwaves”. Polimery, vol. 47, no. 11-12, Sept. 2022, pp. 842-4, http://ichp.vot.pl/index.php/p/article/view/2040.