@article{SchneiderBischoffMuelleretal.2011,
  author    = {Peter Schneider and Friedrich Bischoff and Ulrich M{\"u}ller and Hans-J{\"o}rg Bart and Klaus Schlitter and Volkmar Jordan},
  title     = {Plant Extraction with Aqueous Two-Phase Systems},
  journal   = {Chemical Engineering \& Technology},
  volume    = {34},
  number    = {3},
  pages     = {452 -- 458},
  year      = {2011},
}