ALI, Jawad K.; AHMAD, Adil H. Semi-Empirical Models for the Variation of Soil Complex Permittivity with Depth. Iraqi Journal for Electrical and Electronic Engineering, [S. l.], v. 4, n. 1, p. 26–32, 2008. DOI: 10.37917/ijeee.4.1.1. Disponível em: https://ijeee.edu.iq/ijeee/article/view/45. Acesso em: 8 dec. 2025.