TY - BOOK AU - S. No Thorburn,G. S. Littlejohn AU - Littlejohn,G. S. TI - UNDERPINNING AND RETENTION SN - 0751400947 U1 - 624.152 PY - 1993/// CY - PB - Blackie Academic & Professional,London KW - Shoring And Underpinning KW - Anchorage(Structural Engineering) ER -