TY  - BOOK
AU  - Balling, R. J.,
ED  - University of California, Berkeley.
ED  - National Science Foundation (Estados Unidos)
TI  - Optimal design of seismic-resitant planar steel frames
T2  - Report
AV  - TA660.F7 O67
PY  - 1981///
CY  - Berkeley, california
PB  - University of California Press, College of Engineering, Earthquake Engineering Research Center
KW  - Armaduras estructurales
KW  - Acero de construcción
N1  - "report to the national science foundation"
ER  -