000			003740000a22001450004500
245			_aWater supply and sewerage
100			_aSteel, Ernest W.
250			_a4th ed.
260			_aNew York _bMcGraw Hill _c1960
300			_axiii, 655p. : ill.
440			_aMcGraw Hill series in sanitary engineering and science
080			_a628.1 _bS8
041			_aEN
942			_cBK
999			_c53374 _d53374