TY  - GEN
AU  - Ponnuswamy, S
TI  - Bridge engineering
SN  - 0074518275
U1  - 625.1/15 
PY  - 1986///
CY  - New Delhi
PB  - Tata McGraw Hill 
KW  - Railway bridges - construction1405
KW  - 625.1/15
KW  - CE 804
ER  -