TY  - BOOK
AU  - Armstead,H.Christopher H.
TI  - Geothermal energy: review of research and development 
SN  - 9231010638
PY  - 1973///
CY  - Paris
PB  - Unesco
KW  - Geothermal engineering
KW  - Congresses
KW  - Steam power
KW  - plants
KW  - Geothermal resources
N1  - Includes bibliographical references
ER  -