000 00424nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aWorld Bank.
245 _aAppropriate technology for water supply and sanitation: Zajecetel. WBTPN 18.
260 _c1984
_bWorld Bank
_aWashington DC
366 _b1984
541 _gGratis
650 _aAccounting
942 _cBK
999 _c69353
_d69353