PANNATIER, E. G.; LUSTER, J.; ZIMMERMANN, S.; BLASER, P. Monitoring of Water Chemistry in Forest Soils: An Indicator for Acidification: Highlights of Analytical Chemistry in Switzerland. CHIMIA, [S. l.], v. 59, n. 12, p. 989, 2005. DOI: 10.2533/000942905777675354. Disponível em: https://www.chimia.ch/chimia/article/view/2005_989. Acesso em: 3 oct. 2023.