SALO, M.-L. Lignin studies I. Investigations concerning lignin determination. Agricultural and Food Science, [S. l.], v. 29, n. 1, p. 185–193, 1957. DOI: 10.23986/afsci.71423. Disponível em: https://journal.fi/afs/article/view/71423. Acesso em: 22 nov. 2024.