GREZ, R.; GERDING, V.; UNION, F. Ashes of wood-burning ovens. II Industrial residue useful as an amendmer for improving soil fertility. Bosque (Valdivia), [S. l.], v. 13, n. 2, p. 39–44, 1992. DOI: 10.4206/bosque.1992.v13n2-06. Disponível em: http://revistas.uach.cl/index.php/bosque/article/view/4583. Acesso em: 10 jul. 2026.