TY  - BOOK
AU  - Ponnuswamy
TI  - Bridge Engineering
U1  - PON 
PY  - 1986///
CY  - India
PB  - Tata McGraw-Hill
UR  - http://books.google.com.pk/books/about/Bridge_Engineering.html?id=VfRMyREWyuoC&redir_esc=y
ER  -