Gerhard Birkhofer, "Shadows", Acrylic on Glass and Wood, 60 x 50 x 2 cm
Gerhard Birkhofer, "Shadows", 2012, Acrylic on canvas, 80 x 100 cm
Gerhard Birkhofer, "Tetris-I", Acrylic on Canvas, 100 x 50 cm
Gerhard Birkhofer, "Tetris-II", Acrylic on Canvas, 100 x 50 cm
Gerhard Birkhofer, "Serie : FARBFELDER", 2015, Acrylic on canvas, 60 x 60 cm
