TY - BOOK AU - Krishnan, Rajan AU - Shirlaw, Nicholas AU - Zhao, Jian TI - Tunnels and underground structures: proceedings tunnels & underground structures, Singapore 2000 SN - 9789058091710 U1 - 624.193 ZHA PY - 2000/// CY - London PB - Taylor & Francis KW - Tunnels N1 - Includes index ER -