TY  - BOOK
ED  - United Nations Symposium on the Development and Utilization of Geothermal Resorces (1970 : Pisa)
TI  - Report
U1  - "X9(C4):27p1,N70, L1+" 
PY  - 1971///
CY  - New
PB  - York United Nations U. S. A.  
KW  - Industrial Economics
ER  -