TY  - BOOK
AU  - Armstead,H.Christopher H.
TI  - Geothermal energy: its past, present, and future contributions to the energy needs of man 
SN  - 0470263377
PY  - 1978///
CY  - London
PB  - E & FN Spon
KW  - Geothermal engineering
KW  - Geothermal resources
N1  - 'A Halsted Press book.'; Includes index and bibliography : p.  332 -340
ER  -