Chromosomal location of ribosomal genes 28S and 5S, in two large neotropical catfish species and their hybrid resulted from artificial cross - Porto-Foresti, Fabio; Ozouf-Costaz, Catherine; Dettai, Agnes; Coutanceau, Jean-Pierre; Bortolozzi, Jehud; Foresti, Fausto (Springer, 2007)