Casertano, L., Borgia, A., Cigolini, C., Morales Matamoros, L. D., Montero Pohly, W., Gómez, M., & Fernández, J. F. (1987). An integrated dynamic model for the volcanic activity at Poas volcano, Costa Rica.

Casertano, L., A. Borgia, Corrado Cigolini, Luis Diego Morales Matamoros, Walter Montero Pohly, M. Gómez, och J. F. Fernández. An Integrated Dynamic Model for the Volcanic Activity At Poas Volcano, Costa Rica. 1987.

Casertano, L., et al. An Integrated Dynamic Model for the Volcanic Activity At Poas Volcano, Costa Rica. 1987.