@article{DachwaldSchmidtSeboldtetal.2012,
  author    = {Bernd Dachwald and Tanja D. Schmidt and Wolfgang Seboldt and Auweter-Kurtz},
  title     = {Flight Opportunities from Mars to Earth for Piloted Missions Using Continuous Thrust Propulsion / Schmidt, Tanja D. ; Dachwald, Bernd ; Seboldt, Wolfgang ; Auweter-Kurtz, Monika},
  pages     = {1 -- 9},
  year      = {2012},
}