- San Cristobal de Lípez District
| Jacobson, H. S., Murillo, C., Ruiz, L., Tapia, O., Zapata, H., Alarcón, H., ... & Velasco, C. (1969). Geology and mineral deposits of the San Cristobal district, Villa Martin province, Potosí, Bolivia. US Geological Survey Bulletin 1273 |