GAJEWSKA, T.; KASZUBA, A.; CZUBA, H.; GÓRECKA, E. Determination of hydroxyl groups in acetone environment as a result of the reaction with pyromellitic dianhydride, catalysed with 1-methylimidazole. Polimery, [S. l.], v. 49, n. 2, p. 128–131, 2022. Disponível em: https://polimery.ichp.vot.pl/index.php/p/article/view/1734. Acesso em: 1 apr. 2025.