TY  - BOOK
AU  - T. D. Ahuja and G. S. Birdi
TI  - Roads, Railways, Bridges and Tunnel Engineering
SN  - 978-81-89401-33-?
U1  - 625.7 
PY  - 2010///
CY  - New Delhi
PB  - Standard Book House
KW  - CIVIL
ER  -