@inproceedings{KnorrEisenkopf2018,
  author    = {Andreas Knorr and Alexander Eisenkopf},
  title     = {Voluntary Carbon Offsets in the Airline Industry - A Critical Assessment},
  organization    = {12th Air Transport Research Society World Conference, Athen (Griechenland), 6.-10.07.2008},
  year      = {2018},
  abstract  = {.},
  language  = {en}
}