R. P. M. Lins, B. S. Ovruski de Ceballos, L. C. Serramo Lopez, and L. Gomes Barbosa, “Phytoplankton functional groups in a tropical reservoir in the Brazilian semiarid region”, Rev. Biol. Trop., vol. 65, no. 3, pp. 1129–1141, Sep. 2017.