| 000 | 00666nab a2200241 1n4500 | ||
|---|---|---|---|
| 001 | 000103871 | ||
| 005 | 20210221152830.0 | ||
| 008 | 950525s1994 000 0 spa d | ||
| 041 | 0 | 7 |
_aSpa _2ISO 639-1 |
| 084 | _aRev 980 | ||
| 100 | 1 | _aSáa Orellllana, Ana | |
| 245 | 1 | 0 | _aAsistencia técnica a la minería, una necesidad del país |
| 650 | 0 | 4 | _aIndustrie minière |
| 650 | 0 | 4 | _aMine |
| 650 | 0 | 4 | _aAssistance technique |
| 650 | 0 | 4 | _aLoi |
| 650 | 0 | 4 | _aSecteur informel |
| 653 | 0 | 5 | _aEquateur |
| 773 | 0 |
_tMinería ecuatoriana _dLima : [s.n.], 1994 _g3, 1994, p. 48-49 : ill. |
|
| 910 |
_aGSL _c20150612 _h1029 |
||
| 942 | _cANAL | ||
| 999 |
_c29726 _d29726 |
||