Cônsolo, Fernanda Zanoni, et al. “Magnesium, Iron, Copper and Zinc in Vegetable Roots from Mato Grosso Do Sul, Brazil”. Orbital: The Electronic Journal of Chemistry, vol. 9, no. 3, July 2017, pp. 135-9, https://periodicos.ufms.br/index.php/orbital/article/view/16491.