MADRID, J. A. New formulae for linear travel time inversion in 2-d heterogeneous media. Theory and results. Geofísica Internacional, [S. l.], v. 25, n. 3, p. 361–382, 1986. DOI: 10.22201/igeof.00167169p.1986.25.3.1222. Disponível em: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1058. Acesso em: 3 may. 2024.