Upadhyay, A.K.
Railways, bridges and tunnels / by A.K. Upadhyay. - 272 pages: illustrations; 24 cm
9789350142899
Railroad engineering.
Bridges--Design and construction.
Tunnels--Design and construction.
625.1
Railways, bridges and tunnels / by A.K. Upadhyay. - 272 pages: illustrations; 24 cm
9789350142899
Railroad engineering.
Bridges--Design and construction.
Tunnels--Design and construction.
625.1