A. A. Signor, “SUPLEMENTAÇÃO DE VITAMINA B12 NA DIETA DE ALEVINOS DE PIAUÇU (LEPORINUS MACROCEPHALUS) Supplementation of vitamin B12 in the diet of piauçu (Leporinus macrocephalus) fingerling”, Rev. Acad. Ciênc. Anim., vol. 10, no. 1, pp. 65–71, Jan. 2012.