Media type: E-Article Title: Biomonitoring of cyanotoxins in two tropical reservoirs by cladoceran toxicity bioassays Contributor: Ferrão-Filho, Aloysio da S.; Soares, Maria Carolina S.; de Freitas Magalhães, Valeria; Azevedo, Sandra M.F.O. imprint: Elsevier BV, 2009 Published in: Ecotoxicology and Environmental Safety Language: English DOI: 10.1016/j.ecoenv.2008.02.002 ISSN: 0147-6513 Origination: Footnote: