000 00298nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a978185339125
082 _a628.72 BAL
100 _aBall Mog
245 0 _aWater Supplies for rural communities
260 _bIT pub
_c1991
942 _cBK
999 _c456398
_d456398