1. La zona geotermica de Cerro Prieto, Baja California;Alonso;Bol. Soc. geol. mex.,1966
2. Contemporary hydrothermal metamorphism in regions of active volcanism;Averyev;Dokl. Akad. Nauk S.S.S.R.,1961
3. Matsukawa electric power station by utilizing geothermal energy;Azuma Kako Co. Ltd.;News Sheet,1966
4. Handbook of Physical Constants;Barnes,1966
5. Sulfide mineralization in a Broadlands geothermal drillhole, Taupo Volcanic Zone, New Zealand;Browne;Econ. Geol.,1969