Žáček, V., Janoušek, V., Ulloa Carmiol, A., Košler, J., Huapaya, S., Mixa, P., . . . Alvarado Induni, G. E. (2011). The Late Miocene Guacimal Pluton in the Cordillera de Tilarán, Costa Rica: Its nature, age and petrogenesis.

Žáček, Vladimír, Vojtěch Janoušek, Andrés Ulloa Carmiol, Jan Košler, Sofia Huapaya, Petr Mixa, Lenka Vondrovicová, và Guillermo Enrique Alvarado Induni. The Late Miocene Guacimal Pluton in the Cordillera De Tilarán, Costa Rica: Its Nature, Age and Petrogenesis. 2011.

Žáček, Vladimír, et al. The Late Miocene Guacimal Pluton in the Cordillera De Tilarán, Costa Rica: Its Nature, Age and Petrogenesis. 2011.