GOTTSCHALK, Karl-Heinz. Possibilities of cleaning waste air - presentation of an economical procedure. Tekstil, "Zagreb, Croatia", v. 44, n. 6, p. 278–281, 1995. Disponível em: https://www.tekstil.hist.hr/index.php/tekstil/article/view/1413. Acesso em: 19 apr. 2026.