Joachim Kersten Spring 2 (TX), 2010 Echo II, 2008 Echo I, 2008 66 Prozent #1 Fugue 3, 2010 I Don't See Any Red Gems, 2 Gems, 1 Perlen (Schullball), 2 Perlen 6 Perlen 1 Perlen 4 Hierarchy, L1 Fugue #6 Labyrinth #6
