TY  - BOOK
AU  - Ambraseys, N. N.
TI  - Cut-off efficienay of grout curtains and slurry trenches / -by N. N. Ambraseys
CY  - Londres, Inglaterra : Butterworths
N1  - "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"
ER  -