Mack.
Mack, Heinz,1931-
Thomas, Karin,1941-
Arteba Galerie Zürich.
Amstutz Fine Art.
Zurich : Amstutz Fine Art,
1978.
Catalogue for exhibition held Aug.-Sept. 1978 at Arteba AG Galerie, Zürich.
Text by Karin Thomas.
Mack, Heinz, 1931-