TY  - BOOK
AU  - Duggal, S K
TI  - Design of steel structures 
SN  - 9780070260689
U1  - 624.1821 
PY  - 2013///, c2009
CY  - New Delhi
PB  - TMH
KW  - Steel structures Design
KW  - Building, Iron and steel
ER  -