@misc{10143,
  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 = {Proceedings of The 26th Joint Propulsion Conference},
  address = {Florida, USA,},
}