@phdthesis{Haag2001,
  author    = {Haag, Johannes},
  title     = {Der Blick nach innen : Wahrnehmung und Introspektion},
  series = {Geist - Erkenntnis - Kommunikation},
  journal   = {Geist - Erkenntnis - Kommunikation},
  publisher = {Mentis},
  address   = {Paderborn},
  isbn      = {978-3-89785-058-3},
  pages     = {355 S.},
  year      = {2001},
  language  = {de}
}