FROMM, F. A Modification of the Lemna Test for Phytotoxicity. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 44, n. 3, p. 93–102, 1960. DOI: 10.46429/jaupr.v44i3.12084. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12084. Acesso em: 1 feb. 2023.