Signed light-proof art prints and catalogues:

"der farbe leben"

144 pages, 120 colour plates and 3-D glasses
ISBN 3-00-003388-2 (1999) 23 €

"colour to the 3rd"

German & English, with introductions in French, Italian and in Russian
152 pages, 92 colour plates with 3-D-glasses
ISBN 3-00-015322-5 (2005) 23 €