Acuña-González, J. A.; Vargas-Zamora, J. A.; Córdoba-Muñoz, R. A Snapshot View of Some Vertical Distributions of Water Parameters at a Deep (200 M) Station in the Fjord-Like Golfo Dulce, Embayment, Costa Rica. Rev. Biol. Trop. 2006, 54, 193–200.