CZYŻ, Zbigniew H. Constant co-polarized echo curves on the Poincare sphere. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 6, n. 4, p. 7–10, 2001. DOI: 10.26636/jtit.2001.4.87. Disponível em: https://jtit.pl/jtit/article/view/87. Acesso em: 6 aug. 2026.