000 00383nam a2200169Ia 4500
001 aQ1325
008 220802s9999 xx 000 0 und d
020 _aNA
100 _a Steel, Ernest W.
245 0 _aWater Supply and Sewerage
250 _a.NA
260 _aLondon
_c.NA
300 _axv,666
600 _aElectronic Engineering
650 _aTechnology
942 _bBooks
_cBK
999 _c3051
_d3051