TY  - BOOK
TI  - Guidelines for Use of External and Unbonded  Prestressing Tendons in Bridge Structures
U1  - IRC : SP 67 - 2005 
PY  - 2005///
CY  - New Delhi
PB  - The Indian Roads Congress
KW  - Civil Engineering
N1  - IRC : SP 67 - 2005
ER  -