TY  - SER
AU  - Drozdov, A. D
AU  - Christiansen, J. Dec.
TI  - Constitutive Equations  for Viscoplastic Response of Isotactic Polypropylene in Cyclic Tests:Effect of Strain Rate
KW  - Constitutive Equation
KW  - Viscoplastic Response
KW  - Isotactic Polypropylene
ER  -