Ref.1 1977 Pen on bristol                   board Dim:22x49cm   Ref.2 1978 Pen on bristol board Dim:31x61cm   Ref.3 1978 Pen on bristol                board Dim:50x65cm   Ref.4 1978 Pen on bristol board Dim:50x65cm Ref.5 1978 Pen on bristol              board Dim:50x65cm   Ref.6 1978 Pen on bristol board Dim:33x59cm Ref.7 1978 Pen on bristol           board Dim:40x60cm   Ref.8 1978 Pen on bristol board Dim:50x65cm   Ref.9 1979 Pen on bristol            board Dim:50x65cm   Ref.10 1979 Pen on bristol board Dim:50x65cm   Ref.11 1979 Pen on bristol board                     Dim:50x65cm          Ref.12 1979 Pen on bristol board Dim:50x65cm   Ref.13 1978 Pen on bristol   board Dim: 50x65cm   Ref.14 1978 Pen on bristol board Dim:40x53cm   Ref.15 1979 Pen on bristol board         Dim: 50x65cm   Ref.16 1979 Pen on bristol board Dim:50x65cm Ref.17 1979 Pen on bristol board                     Dim: 50x65cm Ref.18 1979 Pen on bristol board Dim: 50x65cm Ref.19 1979 Pen on bristol board          Dim: 50x65cm Ref.20 1979 Pen on bristol board Dim: 50x65cm Ref.21 1979 Pen on bristol board           Dim: 50x65cm Ref.22 1979 Pen on bristol board Dim: 50x50cm Ref.23 1979 Pen on bristol board                     Dim:50x65cm   Ref.24 1979 Pen on bristol board Dim:40x58cm Ref.25 1990 Pen on bristol board Dim:29,5x42cm   Ref.26 1981 Pen on bristol board Dim:50x65cm Ref.27 1981 Pen on bristol board Dim:50x65cm    Ref.28 1981 Pen on bristol board Dim:50x65cm Ref.29 1975 Pen on paper Dim:21x29,5cm                   Ref.30 1977 Pen on paper Dim:40x60cm Ref.31 1990 Pen on paper Dim:21x29,5cm                   Ref.32 1990 Pen on paper Dim:21x29,5cm Ref.33 1989 Pen on paper Dim:21x29,5cm                   Ref.34 1989 Pen on paper Dim:21x29,5cm   Ref.35 1989 Pen on paper Dim:21x29,5cm                  Ref.36 1989 Pen on paper Dim:21x29,5cm Ref.37 1989 Pen on paper Dim:21x29,5cm                  Ref.38 1990 Pen on paper Dim:21x23cm Ref.39 1990 Pen on paper Dim: 21x29,5cm Ref.40 1990 Pen on paper Dim: 21x29,5cm