@book{Guenther1980,
  author    = {Albert G{\"u}nther},
  title     = {Probleme des Kreisfinanzsystems, Schriftenreihe der Hochschule Speyer, Bd. 80},
  address   = {Berlin},
  year      = {1980},
  abstract  = {\_},
  language  = {de}
}