TY  - GEN
AU  - Duggal, S.K
TI  - Design of steel structures /3rd ed. 
SN  - 0070260680
AV  - 624.014.2 DUG
PY  - 2013///
CY  - New Delhi
PB  - McGraw-Hill 
KW  - 624.014.2
KW  - Structural design
ER  -