000			00419nam a2200133Ia 4500
008			221123s9999 xx 000 0 und d
082			_a621.646.95 D28R
100			_aDeacon, N.G.
245		2	_aA resistivity technique for detecting leaks in lined channels : Preliminary investigations
260			_bHydraulics Research Stations _aWallingford, England _c1982
300			_a19 p.
650			_aDetecting leaks
942			_cR
999			_c6921 _d6921