| 000 | 00720nab a2200253 1n4500 | ||
|---|---|---|---|
| 001 | 000103831 | ||
| 005 | 20250722192628.0 | ||
| 008 | 950525s1988 000 0 spa d | ||
| 041 | 0 | 7 |
_aSpa _2ISO 639-1 |
| 084 | _aRev 980 | ||
| 245 | 0 | 4 | _aLos placeres auríferos de Aguarico, Bermeja y Napo |
| 650 | 0 | 4 |
_aPlacer alluvionnaire _911589 |
| 650 | 0 | 4 |
_aOr _91903 |
| 650 | 0 | 4 |
_aTerrasse _96972 |
| 650 | 0 | 4 |
_aSédimentation fluviatile _91809 |
| 650 | 0 | 4 |
_aQuaternaire _91581 |
| 650 | 0 | 4 |
_aProjet _91966 |
| 650 | 0 | 4 |
_aExploration _9520 |
| 653 | 0 | 5 |
_aEquateur _aNapo |
| 773 | 0 |
_tMinería ecuatoriana _dQuito : [s.n.], 1988 _g1, 1988, p. 70-71 |
|
| 910 |
_aGSL _c20150612 _h1029 |
||
| 942 | _cANAL | ||
| 999 |
_c29686 _d29686 |
||