[1]
Tonn, R.J., Hunter, G.W., Alfaro, M., Zúñiga, J.A. and Redmond, D.L. 1964. Seasonal incidence of larval Trematodes in Costa Rica. Revista de Biología Tropical. 12, 1 (Jul. 1964), 59–65. DOI:https://doi.org/10.15517/rev.biol.trop.1964.31342.