TY  - RPRT
TI  - Determination of the viscoelastic shear modulus using forced torsional vibrations 
AU  - Magrab, Edward B
PY  - 1983
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 83-2776
DO  - 10.6028/NBS.IR.83-2776
ER  -