TY  - BOOK
AU  - Duggal, S. K.
TI  - Design of steel structures
SN  - 0074604805
U1  - 624.1821 
PY  - 1993///
CY  - New Delhi
PB  - Tata McGrow- Hill Publishing
KW  - Civil engineering
KW  - Engineering
KW  - Steel structures
ER  -