Wejchan-Judek, W., I. Polus, B. Doczekalska, and H. Pertek. “Trimerization of 3-Isocyanatomethyl-3/5A5-Trimethylcyclohexyl Isocyanate (IPDI)”. Polimery, vol. 46, no. 2, Sept. 2022, pp. 131-2, https://ichp.vot.pl/index.php/p/article/view/2059.