Segura, M. O., F. Valente-Neto, and A. A. Fonseca-Gessner. “Family Level Key to Aquatic Coleoptera (Insecta) of São Paulo State, Brazil”. Biota Neotropica, vol. 11, no. 1, Mar. 2011, //www.biotaneotropica.org.br/BN/article/view/830.