@book{OPUS4-1955, title = {Mehrsprachigkeit in der Stadtregion : Jahrbuch 1981 des Instituts f{\"u}r deutsche Sprache}, editor = {Karl-Heinz Bausch}, publisher = {Schwann}, address = {D{\"u}sseldorf}, isbn = {3-590-15656-2}, url = {https://nbn-resolving.org/urn:nbn:de:bsz:mh39-19556}, pages = {464}, year = {2014}, language = {de} }