TY  - BOOK
AU  - GUPTA, B. L.
AU  - GUPTA, AMIT
TI  - ROADS,RAILWAYS,BRIDGES,TUNNELS AND HARBOUR DOCK ENGINEERING
SN  - 8180140091
U1  - 388.132/GUP/GUP 
PY  - 2007///
CY  - DELHI.
PB  - STANDARD BOOK HOUSE, DELHI.
ER  -