@incollection{Essl,
  author    = {Essl, G{\"u}nter},
  title     = {Forschungsdesign der qualitativen Sozialforschung},
  series = {Von der Idee zur Forschungsarbeit},
  booktitle = {Von der Idee zur Forschungsarbeit},
  publisher = {B{\"o}hlau},
  address   = {Wien},
  publisher      = {Fachhochschule Technikum Wien},
  pages     = {101 -- 123},
  subject      = {Qualitative Research},
  language  = {de}
}