3 treff

Heat mining : a new source of energy
H. Christopher H. Armstead and Jefferson ...
Bok Engelsk 1987
Geothermal energy : its past, present and future contributions to the energy needs of man
H. Christopher H. Armstead
Bok Engelsk 1978
Geothermal energy : review of research and development
ed. by H. Christopher H. Armstead
Bok Engelsk 1973