TY  - BOOK
ED  - American Institute of Steel Construction
TI  - Specification for the design, fabrication & erection of structural steel for buildings: Adapted february 12, 1969 
AV  - TA684 A45 1969
PY  - 1970///]
CY  - New York
PB  - American institute of steel construction
KW  - Acero de construcción
KW  - Construcciones metálicas
ER  -