Boudet, L. C., Escalante, A., Haeften, G. V., Moreno, V., & Gerpe, M. (2011). Assessment of Heavy Metal Accumulation in Two Aquatic Macrophytes: a Field Study. Ecotoxicology and Environmental Contamination, 6(1), 57–64. https://doi.org/10.5132/jbse.2011.01.009