Barrera Herrera, J. A., A. J. Espinosa, and J. P. Álvarez. “Pollution in Lago De Tota, Colombia: Acute Toxicity on Daphnia Magna (Cladocera: Daphniidae) and Hydra Attenuata (Hydroida: Hydridae): Pollution in Lago De Tota, Colombia: Acute Toxicity on Daphnia Magna (Cladocera: Daphniidae) and Hydra Attenuata (Hydroida: Hydridae”. Revista De Biología Tropical, vol. 67, no. 1, Mar. 2019, pp. 11–23, doi:10.15517/rbt.v67i1.33573.