Rodríguez-Chaves, D., Saravia-Arguedas, A., Pacheco-Urpí, O., & Piedra-Marín, G. (2015). ASSESSMENT OF HYDROCARBON LEVELS IN MARINE SEDIMENTS COLLECTED FROM THE GULF OF NICOYA REGION LOCATED BETWEEN PUNTA MORALES AND COSTA DE PAJAROS AND THEIR POSSIBLE ORIGIN (BIOGENIC/ANTHROPOGENIC). Geographical Journal of Central America, 2(53), 113-134. https://doi.org/10.15359/rgac.2-53.5