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