@book{Zendler1998,
  author    = {Zendler, Andreas},
  title     = {Poweranalytische Versuchsplanung zur Kontrolle statistischer und softwaretechnischer Relevanz},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  volume    = {1998, 07},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  publisher = {Univ.},
  address   = {Potsdam},
  issn      = {0946-7580},
  pages     = {14 S.},
  year      = {1998},
  language  = {de}
}
@book{Zendler1999,
  author    = {Zendler, Andreas},
  title     = {Einzelfallanalytische Versuchspl{\"a}ne der Biometrie zur Durchf{\"u}hrung software-technischer Experimente mit N=1},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  volume    = {1999, 10},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  publisher = {Univ.},
  address   = {Potsdam},
  issn      = {0946-7580},
  pages     = {36 S.},
  year      = {1999},
  language  = {de}
}