1. Geology of the western Altos Cuchumatanes, northwestern Guatemala;Anderson;Geol. Soc. Am. Bull.,1973
2. Structure and bathymetry of western end of the Bartlett Trough, Caribbean Sea;Banks,1969
3. Mapa geologico de la Republica de Guatemala;Bonis,1970
4. Age of pumice deposits in Guatemala;Bonis;Geol. Soc. Am. Bull.,1966
5. Geology of the San Augustín Acasaquastlán Quadrangle, East Central Guatemala;Bosc,1971