Gupta, B.L.
Roads, railways, bridges, tunnels and harbour-dock engineering / B.L. Gupta, Amit Gupta. - New Delhi: Standard Publishers ; 2013. - xx,(in various pages) : ill ; 22 cm.
8180140091
--Railways engineering.
629.04 / GUR
Roads, railways, bridges, tunnels and harbour-dock engineering / B.L. Gupta, Amit Gupta. - New Delhi: Standard Publishers ; 2013. - xx,(in various pages) : ill ; 22 cm.
8180140091
--Railways engineering.
629.04 / GUR