TY  - BOOK
AU  - Ahuja T D
AU  - Birdi G S
TI  - "Roads, Railways, Bridges and Tunnel Engineering"
T2  - -
SN  - 4000000820
PY  - 1989///
PB  - Standard Book House
KW  - "Civil, ""Roads, Railways, Bridges and Tunnel Engineering"
N1  - -
ER  -