Acute sensitivity to Nitokra sp benthic copepod to potassium dichromate and ammonia chloride - Sousa, Cícero Marcolino Pessoa de; Zaroni, Letícia Pires; Bergmann Filho, Tullus; Marconato, L. A.; Kirschbaum, A. A.; Gasparro, Marcia Regina (Journal of the Brazilian Society of Ecotoxicology, 2012)