TY  - BOOK
AU  - Ray DF Tr.
AU  -  Uhmann L Tr.
TI  - Innovation process in the energy industries
T2  - National Institute of Economic and Social Research Cocasional papers..30
SN  - 0521223717
U1  - X9(F55):84.5.N7, L9 
PY  - 1979///
CY  - Cambridge
PB  - Cambridge University Press        
KW  - Fuel
ER  -