MAHLTIG, Boris. Overview on natural dyes and their IR-spectra – Part II: Indigo containing plant dyes. Communications in Development and Assembling of Textile Products, [S. l.], v. 5, n. 1, p. 66–80, 2024. DOI: 10.25367/cdatp.2024.5.p66-80. Disponível em: https://cdatp.journals.qucosa.de/cdatp/article/view/136. Acesso em: 25 jul. 2024.