Klumpp, A. et al. 1997. Susceptibility of various <i>Gladiolus</i> cultivars to fluoride pollution and their suitability for bioindication. Pesquisa Agropecuaria Brasileira. 32, 3 (Mar. 1997), 239–247. DOI:https://doi.org/10.1590/S1678-3921.pab1997.v32.4632.