TY  - GEN
AU  - Armstead,H.Christopher H.
TI  - Geothermal energy : : its past, present and future contributions to the energy needs of man
SN  - 0419112405
U1  - 551.1 
PY  - 1978///
CY  - London : 
PB  - E. and F. N. Spon Ltd., 
KW  - Geothermal engineering
KW  - Geothermal resources
KW  - Heart energy resources of the earth
ER  -