@incollection{Kohler2014,
  author    = {Ulrich Kohler},
  title     = {European Quality of Life Survey},
  booktitle = {Encyclopedia of Quality of Life and Well-Being Research},
  editor    = {Alex C. Michalos},
  isbn      = {978-94-007-0752-8},
  doi       = {10.1007/978-94-007-0753-5_939},
  year      = {2014},
}