00426nam a2200145Ia 450000500170000000800410001708200140005810000200007224500410009226000250013330000080015894200070016699900150017395200920018820260224040847.0260224s9999||||xx |||||||||||||| ||und||  a628.1 WAT  aWaterman, E.L.  0aElements of water supply engineering  aNew York: s.n.c1938  a329  cBK  c1720d1720  00104070aSAUbSAUd2026-02-24l0o628.1 WATp55r2026-02-24 04:08:47w2026-02-24yBK