@incollection{KohlerPoege2014,
  author    = {Ulrich Kohler and Andreas P{\"o}ge},
  title     = {Optimal Matching},
  booktitle = {Methoden-Lexikon f{\"u}r die Sozialwissenschaften},
  editor    = {Rainer Diaz-Bone and Christoph Weischer},
  isbn      = {978-3-531-16629-2},
  doi       = {10.1007/978-3-531-18889-8_15},
  year      = {2014},
}