000 00568nam a22001577a 4500
008 110110t xxu||||| |||| 00| 0 eng d
020 _a3528020210
082 _a363.61
100 1 _aHeber, Gabriele.
_914223
245 1 0 _aSimple methods for the treatment of drinking water./
_cby Gabriele Heber.
260 _aLengerich:
_bFriedr:
_c1985.
300 _a79p.,
_bill.;
650 _aWater treatment.
_914225
942 _2ddc
_cBK
999 _c7769
_d7769