000			00651nam a2200145 a 4500
005			20220228110742.0
035			_aF8901000717448
084			_aBUT M 0001 1963
100			_aAmbraseys, N. N.
245			_aCut-off efficienay of grout curtains and slurry trenches / -by N. N. Ambraseys.
260			_aLondres, Inglaterra : Butterworths
300			_a20 p.
500			_a"A reprint from: grouts and drilling muds in engineering pr-actice: symposium urganized by the British National Society-of the International Society of Soil Mechanics and Foundati-on Engineering at the Institution of Civil Engineers held i-n may 1963".
690			_aArena - Pruebas.
999			_c64068 _d64068