STEENHUIS, A. The route of nitrate. Si Somos Americanos, [S. l.], v. 7, n. 2, p. 187–198, 2005. DOI: 10.61303/07190948.v7i2.472. Disponível em: https://sisomosamericanos.cl/index.php/sisomosamericanos/article/view/472. Acesso em: 17 may. 2024.