RADWAN, A.E.; GAD, N.A. Electrification capillary stability of a hollow jet. Archives of Mechanics, Warsaw, Poland, v. 51, n. 5, p. 633–641, 1999. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v51p633. Acesso em: 17 jan. 2026.