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