TY  - BOOK
AU  - Bickel, John. Kuesel, T. R
TI  - Tunnel engineering handbook
SN  - 0-442-28127-7
U1  - 624.193 TUN 
PY  - 1982///
CY  - NEWYORK
PB  - VAN NOSTRAND
KW  - TUNNELING
ER  -