1. Alteration mineralogy of the Ahuachapan geothermal field;Aumento;Geotherm. Resour. Counc. Trans.,1982
2. Pre-exploitation state of the Ahuachapan geothermal field, El Salvador;Aunzo;Geothermics,1991
3. High temperature smectites in active geothermal systems;Beaufort,1995
4. Compositional and structural variations of phyllosilicates from the Point Sal ophiolite, California;Bettison;Am. Mineral.,1988
5. Sample preparation for X-ray diffraction;Bish,1989