@article{FingerGoettenBraunetal.2020,
  author    = {Felix Finger and Falk G{\"o}tten and Carsten Braun and Cees Bil},
  title     = {Mass, primary energy, and cost: the impact of optimization objectives on the initial sizing of hybrid-electric general aviation aircraft},
  journal   = {CEAS Aeronautical Journal},
  volume    = {2020},
  number    = {11},
  pages     = {713 -- 730},
  doi       = {10.1007/s13272-020-00449-8},
  year      = {2020},
}