Martinelli, Suziane Ghedini, et al. “Stocking Density and Feeding Rate of South American Catfish Reared in Net Cages”. Pesquisa Agropecuaria Brasileira, vol. 48, no. 8, Oct. 2013, pp. 871-7, doi:10.1590/S1678-3921.pab2013.v48.11213.