TY  - BOOK
AU  - Gupta B.L & Gupta Amit 
TI  - Roads, Railways, Bridges Tunnels Harbour and Duck Engineering 
SN  - 9788180140099
U1  - 625 
PY  - 2009///
CY  - New Delhi 
PB  - Standard Book House
KW  - CIVIL ENGINEERING
ER  -