MÄKITIE, O. Chloroform extraction of trace nutrients as oxinates from soil extracts for spectrographic analysis. Agricultural and Food Science, [S. l.], v. 32, n. 1, p. 223–228, 1960. DOI: 10.23986/afsci.71529. Disponível em: https://journal.fi/afs/article/view/71529. Acesso em: 23 nov. 2024.