(1960-80)
etching
(1965)
etching and aquatint
(1988)
photo-etching
(1975)
lithograph
(1987)
hardground etching
(2001)
(1989)
(1997)
screenprint
(1983)
offset-lithograph
red and brown coloured print
(1980)
(1964)
(1990)