TY  - BOOK
AU  - Gupta, B. L.
AU  - Gupta, Amit
TI  - Roads, railways, bridges, tunnels and harbour-dock engineering [rptd 2012]
SN  - 8180140091
U1  -  624.2 
PY  - 1978///
CY  - Delhi,India
PB  - Swastik Publishers & Distributors
ER  -