@article{RitteRaschke2003,
  author    = {Ritte, Gerhard and Raschke, Klaus},
  title     = {Metabolite export of isolated guard cell chloroplasts of Vicia faba},
  year      = {2003},
  language  = {en}
}
@article{RitteSteupKossmannetal.2003,
  author    = {Ritte, Gerhard and Steup, Martin and Kossmann, Jens and Lloyd, James R.},
  title     = {Determination of the starch phosphorylating enzyme activity in plant extracts},
  year      = {2003},
  language  = {en}
}