000 00482nam a2200205Ia 4500
008 150909s9999 xx 000 0 und d
041 _aEnglish
082 _a620
082 _bMAN/WA
100 _aMann H.T
100 _eAuthor
245 _aWater treatment and sanitation
260 _alondon
260 _bIntermediate Technology publications
260 _c1979
300 _a92 Pages
365 _aRs.30
650 _aEngineering
942 _cBK
999 _c228091
_d228091