@article{StulpeBusch2008,
  author    = {Stulpe, Werner and Busch, Paul},
  title     = {The structure of classical extensions of quantum probability theory},
  series = {Journal of Mathematical Physics. 49 (2008), H. 3},
  journal   = {Journal of Mathematical Physics. 49 (2008), H. 3},
  isbn      = {1089-7658},
  pages     = {1 -- 22},
  year      = {2008},
  language  = {en}
}
@article{SchoeningPoghossian2008,
  author    = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak},
  title     = {Detection of charged macromolecules by means of field-effect devices (FEDs): possibilities and limitations},
  series = {Electrochemical sensors, biosensors and their biomedical applications / ed. by Xueji Zhang ...},
  journal   = {Electrochemical sensors, biosensors and their biomedical applications / ed. by Xueji Zhang ...},
  publisher = {Elsevier Acad. Press},
  address   = {Amsterdam},
  isbn      = {978-0-12-373738-0},
  pages     = {187 -- 212},
  year      = {2008},
  language  = {en}
}