Máximo, M. V., L. S. M. Mottola, and C. Resgalla Jr. “Sensitivity of the Sea Urchin Arbacia Lixula (Echinodermata: Echinoidea) in Toxicity Tests”. Ecotoxicology and Environmental Contamination, vol. 3, no. 1, May 2008, pp. 47-52, doi:10.5132/jbse.2008.01.007.