TY  - BOOK
AU  - Seyfeddin,Muaz
TI  - Ductility of reinforced concert beams as a function of helical binding in the compression zone / 
T2  - A master thesis
U1  - 624.1772/sey 
PY  - 1974///
PB  - Middle East Technical University
KW  - Civil engineering
KW  - Beams
ER  -