BACKLUND, K.; BOMAN, A.; FRÖJDÖ, S.; ÅSTRÖM, M. An analytical procedure for determination of sulphur species and isotopes in boreal acid sulphate soils and sediments. Agricultural and Food Science, [S. l.], v. 14, n. 1, p. 70–82, 2005. DOI: 10.2137/1459606054224147. Disponível em: https://journal.fi/afs/article/view/5797. Acesso em: 29 mar. 2024.