BARTYNOWSKA-MEUS, Zofia; JUSZKIEWICZ, Adam. Ultrasonic investigations of the relaxation processes related to the presence of the group –C = 0/NH in molecules. Archives of Acoustics, [S. l.], v. 8, n. 2, p. 113–118, 2016. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3248. Acesso em: 25 apr. 2025.