GAFKA, D. Influence of a biasing stress on the SAW velocity on piezoelectric substrate. Archives of Acoustics, [S. l.], v. 16, n. 1, p. 79–90, 1991. Disponível em: https://acoustics.ippt.gov.pl/index.php/aa/article/view/1212. Acesso em: 4 mar. 2026.