Fonseca, L. G., Murillo, G. A., Guadamúz, L., Spínola, R. M., & Valverde, R. A. (2009). Downward but stable trend in the abundance of arribada olive ridley sea turtles (Lepidochelys olivccea) at Nancite Beach, Costa Rica (1971-2007).

Fonseca, Luis G., Grettel A. Murillo, Lenín Guadamúz, Romeo M. Spínola, and Roldán A. Valverde. Downward but Stable Trend in the Abundance of Arribada Olive Ridley Sea Turtles (Lepidochelys Olivccea) At Nancite Beach, Costa Rica (1971-2007). 2009.

Fonseca, Luis G., et al. Downward but Stable Trend in the Abundance of Arribada Olive Ridley Sea Turtles (Lepidochelys Olivccea) At Nancite Beach, Costa Rica (1971-2007). 2009.