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| 008 | 210420s9999 xx 000 0 und d | ||
| 020 | _a968-6164-30-8 | ||
| 040 |
_aBPGM _bspa |
||
| 041 | _aESPAÑOL | ||
| 082 |
_a338.27282 _bP53 |
||
| 100 | _aPETROLEOS MEXICANOS | ||
| 245 | 0 |
_aPETROLEOS MEXICANOS 50 ANIVERSARIO _bMARCO JURIDICO 1998 |
|
| 260 |
_aMEXICO _c1988 |
||
| 336 |
_2rdacontent _atexto _btxt |
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| 337 |
_2rdamedia _asin mediación _bn |
||
| 338 |
_2rdacarrier _avolumen _bnc |
||
| 650 | _aCIENCIAS SOCIALES | ||
| 650 | _aECONOMIA | ||
| 942 |
_cCONSULTA _2ddc |
||
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_c21424 _d21424 |
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