Seixas, T. G., H. A. Kehrig, I. Moreira, and O. Malm. “Selenium in Tissues of Marine Organisms of Guanabara Bay, Brazil”. Ecotoxicology and Environmental Contamination, vol. 1, no. 1, June 2006, pp. 21-25, doi:10.5132/jbse.2006.01.005.