| 000 | 00477nam a2200181Ia 4500 | ||
|---|---|---|---|
| 001 | 123571 | ||
| 008 | 200505s9999 xx 000 0 und d | ||
| 040 |
_aEC-QuPUC _bspa |
||
| 082 | 0 | 4 | _a631.45/V441a |
| 100 | 1 | _aVásconez Suárez, Mario, comp. | |
| 245 | 0 | _aAgua y sociedad | |
| 260 |
_aQuito, Ecuador _bCiudad, c1992 _c1992 |
||
| 300 |
_a100 p. _b _c21 cm. |
||
| 650 | 4 | _aAGUA - ABASTECIMIENTO | |
| 650 | 4 | _aAGUA - CONSERVACION | |
| 650 | 4 | _aAGUA POTABLE | |
| 999 |
_c59922 _d59922 |
||
| 942 | 0 | 0 | _00 |