FRISCHMUTH, K.; CIMMELLI, V.A. Coupling in thermo-mechanical wave propagation in NaF at low temperature. Archives of Mechanics, Warsaw, Poland, v. 50, n. 4, p. 703–713, 1998. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v50p703. Acesso em: 17 jan. 2026.