TY  - BOOK
AU  - Bickel, John O. ,
AU  - Thomas R. Kuesel.,
TI  - Tunnel engineering handbook
SN  - 9798123905432
U1  - 624.193 BIC 
PY  - 1996///
CY  - New Delhi
PB  - CBS Publishers & Distributors PVT. LTD.
KW  - Civil engineering
KW  - Tunneling
N1  - Includes bibliographical references.
ER  -