@misc{12072,
  author = {S. Finne and C. Futsaether and J. Botnan and Hans Langtangen},
  title = {Three-Dimensional Analysis of Solid Propellant Grains Using a Nonlinear Viscoelastic Model},
  year = {1990},
  journal = {Talk at the 26th Joint Propulsion Conference, Florida, USA},
  note = {Presented by S. Finne},
}