ARMSTEAD, C. H. Geothermal energy its past, present and future contributions to the energy needs of man. E & FN Spon Ltd.
Chicago-Zitierstil (17. Ausg.)ARMSTEAD, Christopher H. Geothermal Energy Its Past, Present and Future Contributions to the Energy Needs of Man. E & FN Spon Ltd.
MLA-Zitierstil (8. Ausg.)ARMSTEAD, Christopher H. Geothermal Energy Its Past, Present and Future Contributions to the Energy Needs of Man. E & FN Spon Ltd.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.