TY  - BOOK
AU  - Williams,Roland
AU  - Holmes,Keith
AU  - Holmes,Keith
TI  - Prospects for natural gas: Energy-the end of crises?
U1  - 333.823 W664 0009062 
PY  - 1990///
CY  - [s.l.]
PB  - Shell
KW  - Política energética
N1  - Selected papers
ER  -