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_aLang, Karl _916671 |
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| 245 | 0 | 0 | _aPCPs, ESPs evolve for niche markets |
| 270 | _a12/09/06 ; 22/10/02 | ||
| 300 | _a4 p. | ||
| 773 | 0 |
_tHart's E & P _gVol. 75, Issue 10 (oct. 2002) ; p. 79-83 |
|
| 800 | 1 |
_aLang, Karl _916671 |
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| 942 | _cARTICULO | ||
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_c141170 _d141170 |
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