JANNO, Jaan; ENGELBRECHT, Jüri. Identification of microstructured materials by phase and group velocities. Mathematical Modelling and Analysis, [S. l.], v. 14, n. 1, p. 57–68, 2009. DOI: 10.3846/1392-6292.2009.14.57-68. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/6519. Acesso em: 10 may. 2025.