TY  - RPRT
TI  - Examination of failed tension-torsion strap from Bell 206B, N90071, helicopter 
AU  - Shives, T Robert
PY  - 1983
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 83-2774
DO  - 10.6028/NBS.IR.83-2774
ER  -