Study for Two sides of the brain (sound installation), 1978
Watercolor, ballpoint pen and pencil on paper
50 x 94,5 cm

Study for air piece 1, 1976
Pencil on paper
32,8 x 76 cm

Study for air piece 2, 1976-1979
Pencil on pasted paper
63,3 x 76,3 cm

Study for Outdoor sculpture, Walking on walls and ceilings (three buildings), 1976-78
Pencil and Watercolor on paper
51 x 76 cm

Study for Five glass plates, 1975
Watercolor and pencil on paper
50 x 65 cm

Study for Rubber wall pieces installation, 1975
Watercolor, ink and pencil on paper
50 x 65 cm

Study for French kings towels installation, 1975
Watercolor, ink and pencil on paper
50 x 64 cm

Study for Glass brains installations, 1978
Watercolor, and pencil on paper
47,7 x 73,1 cm

Study for Glass clothes installation, 1978
Watercolor, ink and pencil on paper
50 x 70 cm

Study for 33 units installation, 1977
Watercolor, ink and pencil on paper
68,5 x 98,5 cm

Study for Belly dance piece, 1975-1976
Water color, ink and pencil on paper
48,4 x 62,2 cm

Study for Papers arrangement on studio wall (Vertical/ horizontal), 1975
Acrylic, ink and pencil on paper
64 x 53 cm
Collection Centre Pompidou

Study for Mousetrap grease room, 1979-1982
Pencil, varnish and rubber on tar paper
60,4 x 90 cm

Study for Grease space for a fool, 1979
Pencil, varnish and rubber on tar paper
68,5 x 85,6 cm

Study for Mousetrap grease room, 1979
watercolor, oil and ballpoint pen on paper
50 x 65 cm