Hedgepeth, J., Gallucci, V.F., Campos, J. y Mug, M. 2000. Hydroacoustic estimation of fish biomass in the Gulf of Nicoya, Costa Rica. Revista de Biología Tropical. 48, 2-3 (jul. 2000), 371–387. DOI:https://doi.org/10.15517/rbt.v48i2-3.18754.