Dirty data
Subtitle: Sammlung Schu rmann.
Contributors: Schu rmann, Wilhelm.; Schu rmann, Gaby.; Ludwig Forum fu r internationale Kunst (Aachen)
Publisher: Ludwig Forum fu r Internationale Kunst
Published: 1992
Place of publication: Aachen
Language: eng
Notes: Catalogue of anexhibition held at the Ludwig Forum fu r Internationale Kunst, Aachen, 18 June - 16 August 1992.