SAITOH, Katsumi et al. Information on elemental and ionic components obtained from aircraft engine smoke number filter sample. European Journal of Applied Sciences, [S. l.], v. 9, n. 6, p. 242–255, 2021. DOI: 10.14738/aivp.96.11289. Disponível em: https://scholarpublishing.org/journals/index.php/EJAS/article/view/8103. Acesso em: 30 may. 2026.