Melo-Maciel, Mônica Aline Parente, et al. “Sperm Motility and Velocities of Characiformes Fishes in Different Times Post-Activation”. Semina: Ciências Agrárias, vol. 36, no. 6, Dec. 2015, pp. 4023-30, doi:10.5433/1679-0359.2015v36n6p4023.