| 000 | 00599nam a2200229Ia 4500 | ||
|---|---|---|---|
| 008 | 210420s9999 xx 000 0 und d | ||
| 020 | _aSIN ISBN | ||
| 040 |
_aBPGM _bspa |
||
| 041 | _aESPAÑOL | ||
| 082 |
_a338.27282 _bB45 |
||
| 100 | _aBETETA MONSALVE, MARIO RAMON, 1927- | ||
| 245 | 0 | _aPOLITICA PETROLERA | |
| 260 |
_aMEXICO _bPEMEX _c1987 |
||
| 336 |
_2rdacontent _atexto _btxt |
||
| 337 |
_2rdamedia _asin mediación _bn |
||
| 338 |
_2rdacarrier _avolumen _bnc |
||
| 490 | _vV. 1 | ||
| 650 | _aCIENCIAS SOCIALES | ||
| 650 | _aECONOMIA | ||
| 650 | _aPRODUCCION | ||
| 942 |
_cGENERAL _2ddc |
||
| 999 |
_c24415 _d24415 |
||