TY  - BOOK
AU  - Upadhyay,A.K.
TI  - Railway Bridges and Tunnels
SN  - 9789350142899
U1  - 625.10092 
PY  - 2013///
CY  - New Delhi
PB  - S.K. Kataria
KW  - Engineering of railroads & roads
KW  - Railways
KW  - Bridges
KW  - Tunnels
ER  -