Alvarado, A., Mata, R., & Chinchilla, M. (2014). Clay minerals identified in soils of Costa Rica from 1931 to 2014: II. Major clay types described in soils with vertic, and oxidic-kaolinic properties.

Alvarado, Alfredo, Rafael Mata, و Miguel Chinchilla. Clay Minerals Identified in Soils of Costa Rica From 1931 to 2014: II. Major Clay Types Described in Soils With Vertic, and Oxidic-kaolinic Properties. 2014.

Alvarado, Alfredo, Rafael Mata, و Miguel Chinchilla. Clay Minerals Identified in Soils of Costa Rica From 1931 to 2014: II. Major Clay Types Described in Soils With Vertic, and Oxidic-kaolinic Properties. 2014.