TY  - BOOK
AU  - AHUJA T.D
AU  - BIRDI G.S
TI  - "ROADS, RAILWAYS, BRIDGES AND TUNNEL ENGINEERING"
SN  - 81-900893-5-8
U1  - 625 AHU 
CY  - NEW DELHI
KW  - CIVIL
KW  - "ROADS, RAILWAYS, BRIDGES"
ER  -