| 000 | 00396nab a2200157 4500 | ||
|---|---|---|---|
| 005 | 20260520003051.0 | ||
| 008 | 260224s2007 xxu | ||
| 245 | 0 | 0 | _aEl gas natural en el año 2006 |
| 260 |
_a _b _csep. 2007 |
||
| 270 | _a03/08/2011 ; 03/08/2011 | ||
| 300 | _a16 p. ; 60;62-72;74-77 | ||
| 581 | _a462 | ||
| 773 | 0 |
_tOilgas _g40 |
|
| 942 | _cARTICULO | ||
| 999 |
_c184874 _d184874 |
||