TY  - BOOK
AU  - Trivedi, Nimish 
TI  - Tunnel engineering
SN  - 9788189922955
U1  - Circ. 624.193 T841t 2014 
PY  - 2014///
CY  - New Delhi, India
PB  - Venus Books
KW  - 1. Tunnels-- Engineering
N1  - Includes bibliographical references and index
ER  -