6166
Gupta, D. L.
A Text book of railways, bridges and tunnels, for final year diploma...
Ludhiana
Katson Pub. House
1981
iv. )Various pagings( ill
by D. L. Gupta, O. P. Supple, and O. P. Sharma
2nd ed
، Railroads
Bridges
Tunnels
TF
205
.
G86
1981
AU
AU Supple, O. P. Sharma O. P.
AU Sharma, O.P. joint author
TI
CL
