armstead,
geothermal energy:its past, present and future contributions: to the energy needs of man/ h; - 2 - uk: e. & f.n. spon ltd. 1978, - 404, xxxviii. 24
no index
includes references
0 419 12220 6 (hard cover):
c
geothermal engineering--geothermal resources
TJ280.7 / .A74 1978
geothermal energy:its past, present and future contributions: to the energy needs of man/ h; - 2 - uk: e. & f.n. spon ltd. 1978, - 404, xxxviii. 24
no index
includes references
0 419 12220 6 (hard cover):
c
geothermal engineering--geothermal resources
TJ280.7 / .A74 1978