Spampinato, L., Salerno, G. G., Martin, R. S., Sawyer, G. M., Oppenheimer, C., Ilyinskaya, E., & Ramírez, C. (2009). Thermal and geochemical signature of Poás Volcano, Costa Rica (MARCH 2009).

Spampinato, Letizia, Giuseppe G. Salerno, Robert S. Martin, Georgina M. Sawyer, Clive Oppenheimer, Evgenia Ilyinskaya, و Carlos Ramírez. Thermal and Geochemical Signature of Poás Volcano, Costa Rica (MARCH 2009). 2009.

Spampinato, Letizia, et al. Thermal and Geochemical Signature of Poás Volcano, Costa Rica (MARCH 2009). 2009.