000 | 00452nam a2200181Ia 4500 | ||
---|---|---|---|
008 | 200129s9999 xx 000 0 und d | ||
041 | 0 | _aspa | |
082 | 0 | 4 | _a333.7/P218r/08.3.057 |
100 | 1 | _aPillajo, Edgar | |
245 | 0 | _aUtilizaciĆ³n de los recursos minerales | |
250 | _aFungeomine | ||
264 |
_aEcuador , _c1997 |
||
300 |
_a62 p. ; _c 21cm |
||
336 | _atxt | ||
337 | _an | ||
338 | _anc | ||
999 |
_c254658 _d254658 |
||
942 | 0 | 0 | _00 |