Laitano, K. dos S., and W. G. Matias. “Toxicity Tests With Daphnia Magna: A Tool to Evaluate a Experimental UASB Reactor”. Ecotoxicology and Environmental Contamination, vol. 1, no. 1, June 2006, pp. 43-47, doi:10.5132/jbse.2006.01.009.