000 | 00470nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 200204s9999 xx 000 0 und d | ||
020 | _a9241544716 | ||
082 | _a363.61 WOR | ||
100 | _aWorld Health Organization | ||
245 | 0 | _aOperation and maintenence of urban water supply and sanitation systems : a guide for managers | |
260 | _aGeneva | ||
260 | _bWorld Health Organization | ||
260 | _c1994 | ||
300 | _a102p. | ||
650 | _aWater supply | ||
942 | _cBK | ||
999 |
_c47742 _d47742 |